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Class 12 Science Physics Quiz

Physics MCQ Questions for Class 12

Practice Class 12 Science Physics MCQ questions with answers, explanations and level-wise revision. Start from Easy levels and move toward Expert practice when your accuracy improves.

Class 12 Science Physics Summary

Class 12 Science Physics MCQ questions with answers, chapter wise quiz, topic wise practice, objective questions, exam revision aur answer explanation ke liye ye page banaya gaya hai. Physics me laws, formulas, numericals, diagrams, mechanics, electricity, optics aur modern physics concepts ko exam-focused MCQs se strong karein.

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Class 12 Science Physics MCQ Questions with Answers

Class 12 Science Physics ke liye chapter wise MCQ questions, topic wise practice, objective questions, quiz levels, correct answers aur simple explanations ek hi page par available hain. Students board exam revision, school test preparation, daily practice aur concept clarity ke liye yahan se focused practice start kar sakte hain.

Physics MCQ Class 12 Science Physics Questions Chapter Wise Quiz Topic Wise Practice Answers and Explanations Easy to Expert Levels
Chapter Wise MCQ

Physics Chapters for Class 12

Choose a Physics chapter to practice focused MCQs with topic-wise revision, answers and explanations for Class 12 Science. Chapters include Chapter1: Electric Charges and Fields, Chapter 2: Electrostatic Potential and Capacitance, Chapter 3: Current Electricity, Chapter 4: Moving Charges and Magnetism. Topics include Conductors and Insulators, Continuous Charge Distribution, Coulomb's Law (force between multiple charges), Dipole in a Uniform External Field, Capacitors and Capacitance.

1 Chapter1: Electric Charges and Fields Physics Chapter1: Electric Charges and Fields MCQ practice for Class 12 Science with topic-wise questions, correct answers and simple explanations. 1Conductors and Insulators550 Q 2Continuous Charge Distribution600 Q 3Coulomb's Law (force between multiple charges)600 Q 4Dipole in a Uniform External Field600 Q 5Electric Charges and their Conservation600 Q 6Electric Field and Electric Field Lines600 Q 7Electric Flux and Electric Dipole600 Q 8Gauss's Law and its Applications600 Q Easy 1200 Medium 1200 Hard 1200 Expert 1200 4800 MCQs
2 Chapter 2: Electrostatic Potential and Capacitance Physics Chapter 2: Electrostatic Potential and Capacitance MCQ practice for Class 12 Science with topic-wise questions, correct answers and simple explanations. 1Capacitors and Capacitance 2Combination of Capacitors 3Dielectrics and Polarization 4Electrostatic Potential and Potential Energy 5Electrostatics of Conductors 6Energy Stored in a Capacitor 7Equipotential Surfaces 8Potential due to a Point Charge and a Dipole 9The Parallel Plate Capacitor Easy 0 Medium 0 Hard 0 Expert 0 0 MCQs
3 Chapter 3: Current Electricity Physics Chapter 3: Current Electricity MCQ practice for Class 12 Science with topic-wise questions, correct answers and simple explanations. 1Cells, EMF, Internal Resistance 2Cells in Series and Parallel 3Drift Velocity and Mobility 4Electrical Energy and Power 5Electric Current and Flow of Electric Charges in a Metallic Conductor 6Kirchhoff's Rules 7Ohm's Law, Electrical Resistance, and Resistivity 8Temperature Dependence of Resistivity 9Wheatstone Bridge Easy 0 Medium 0 Hard 0 Expert 0 0 MCQs
4 Chapter 4: Moving Charges and Magnetism Physics Chapter 4: Moving Charges and Magnetism MCQ practice for Class 12 Science with topic-wise questions, correct answers and simple explanations. 1Ampere's Circuital Law 2Force between Two Parallel Currents (the Ampere) 3Magnetic Field due to a Current Element (Biot-Savart Law) 4Magnetic Field on the Axis of a Circular Current Loop 5Magnetic Force and Magnetic Field 6Motion in a Magnetic Field 7The Moving Coil Galvanometer 8The Solenoid and the Toroid 9Torque on Current Loop, Magnetic Dipole Easy 0 Medium 0 Hard 0 Expert 0 0 MCQs
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Level Map for Physics MCQ Practice

Select a ready level to practice questions in a clean exam-style flow. Each level keeps the subject, class, difficulty and question count clear for faster revision.

Easy Levels

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1 Level 1 Ready 50/50 Topics in this level Conductors and Insulators50 Q 2 Level 2 Ready 50/50 Topics in this level Conductors and Insulators50 Q 3 Level 3 Ready 50/50 Topics in this level Conductors and Insulators50 Q 4 Level 4 Ready 50/50 Topics in this level Continuous Charge Distribution50 Q 5 Level 5 Ready 50/50 Topics in this level Continuous Charge Distribution50 Q 6 Level 6 Ready 50/50 Topics in this level Continuous Charge Distribution50 Q 7 Level 7 Ready 50/50 Topics in this level Coulomb's Law (force between multiple charges)50 Q 8 Level 8 Ready 50/50 Topics in this level Coulomb's Law (force between multiple charges)50 Q 9 Level 9 Ready 50/50 Topics in this level Coulomb's Law (force between multiple charges)50 Q 10 Level 10 Ready 50/50 Topics in this level Dipole in a Uniform External Field50 Q 11 Level 11 Ready 50/50 Topics in this level Dipole in a Uniform External Field50 Q 12 Level 12 Ready 50/50 Topics in this level Dipole in a Uniform External Field50 Q 13 Level 13 Ready 50/50 Topics in this level Electric Charges and their Conservation50 Q 14 Level 14 Ready 50/50 Topics in this level Electric Charges and their Conservation50 Q 15 Level 15 Ready 50/50 Topics in this level Electric Charges and their Conservation50 Q 16 Level 16 Ready 50/50 Topics in this level Electric Field and Electric Field Lines50 Q 17 Level 17 Ready 50/50 Topics in this level Electric Field and Electric Field Lines50 Q 18 Level 18 Ready 50/50 Topics in this level Electric Field and Electric Field Lines50 Q 19 Level 19 Ready 50/50 Topics in this level Electric Flux and Electric Dipole50 Q 20 Level 20 Ready 50/50 Topics in this level Electric Flux and Electric Dipole50 Q 21 Level 21 Ready 50/50 Topics in this level Electric Flux and Electric Dipole50 Q 22 Level 22 Ready 50/50 Topics in this level Gauss's Law and its Applications50 Q 23 Level 23 Ready 50/50 Topics in this level Gauss's Law and its Applications50 Q 24 Level 24 Ready 50/50 Topics in this level Gauss's Law and its Applications50 Q 25 Level 25 Locked 0/50 26 Level 26 Locked 0/50 27 Level 27 Locked 0/50 28 Level 28 Locked 0/50 29 Level 29 Locked 0/50 30 Level 30 Locked 0/50 31 Level 31 Locked 0/50 32 Level 32 Locked 0/50 33 Level 33 Locked 0/50 34 Level 34 Locked 0/50 35 Level 35 Locked 0/50 36 Level 36 Locked 0/50 37 Level 37 Locked 0/50 38 Level 38 Locked 0/50 39 Level 39 Locked 0/50 40 Level 40 Locked 0/50

Medium Levels

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1 Level 1 Ready 50/50 Topics in this level Conductors and Insulators50 Q 2 Level 2 Ready 50/50 Topics in this level Conductors and Insulators50 Q 3 Level 3 Ready 50/50 Topics in this level Conductors and Insulators50 Q 4 Level 4 Ready 50/50 Topics in this level Continuous Charge Distribution50 Q 5 Level 5 Ready 50/50 Topics in this level Continuous Charge Distribution50 Q 6 Level 6 Ready 50/50 Topics in this level Continuous Charge Distribution50 Q 7 Level 7 Ready 50/50 Topics in this level Coulomb's Law (force between multiple charges)50 Q 8 Level 8 Ready 50/50 Topics in this level Coulomb's Law (force between multiple charges)50 Q 9 Level 9 Ready 50/50 Topics in this level Coulomb's Law (force between multiple charges)50 Q 10 Level 10 Ready 50/50 Topics in this level Dipole in a Uniform External Field50 Q 11 Level 11 Ready 50/50 Topics in this level Dipole in a Uniform External Field50 Q 12 Level 12 Ready 50/50 Topics in this level Dipole in a Uniform External Field50 Q 13 Level 13 Ready 50/50 Topics in this level Electric Charges and their Conservation50 Q 14 Level 14 Ready 50/50 Topics in this level Electric Charges and their Conservation50 Q 15 Level 15 Ready 50/50 Topics in this level Electric Charges and their Conservation50 Q 16 Level 16 Ready 50/50 Topics in this level Electric Field and Electric Field Lines50 Q 17 Level 17 Ready 50/50 Topics in this level Electric Field and Electric Field Lines50 Q 18 Level 18 Ready 50/50 Topics in this level Electric Field and Electric Field Lines50 Q 19 Level 19 Ready 50/50 Topics in this level Electric Flux and Electric Dipole50 Q 20 Level 20 Ready 50/50 Topics in this level Electric Flux and Electric Dipole50 Q 21 Level 21 Ready 50/50 Topics in this level Electric Flux and Electric Dipole50 Q 22 Level 22 Ready 50/50 Topics in this level Gauss's Law and its Applications50 Q 23 Level 23 Ready 50/50 Topics in this level Gauss's Law and its Applications50 Q 24 Level 24 Ready 50/50 Topics in this level Gauss's Law and its Applications50 Q 25 Level 25 Locked 0/50 26 Level 26 Locked 0/50 27 Level 27 Locked 0/50 28 Level 28 Locked 0/50 29 Level 29 Locked 0/50 30 Level 30 Locked 0/50 31 Level 31 Locked 0/50 32 Level 32 Locked 0/50 33 Level 33 Locked 0/50 34 Level 34 Locked 0/50 35 Level 35 Locked 0/50 36 Level 36 Locked 0/50 37 Level 37 Locked 0/50 38 Level 38 Locked 0/50 39 Level 39 Locked 0/50 40 Level 40 Locked 0/50

Hard Levels

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1 Level 1 Ready 50/50 Topics in this level Chapter1: Electric Charges and Fields50 Q 2 Level 2 Ready 50/50 Topics in this level Conductors and Insulators50 Q 3 Level 3 Ready 50/50 Topics in this level Conductors and Insulators50 Q 4 Level 4 Ready 50/50 Topics in this level Continuous Charge Distribution50 Q 5 Level 5 Ready 50/50 Topics in this level Continuous Charge Distribution50 Q 6 Level 6 Ready 50/50 Topics in this level Continuous Charge Distribution50 Q 7 Level 7 Ready 50/50 Topics in this level Coulomb's Law (force between multiple charges)50 Q 8 Level 8 Ready 50/50 Topics in this level Coulomb's Law (force between multiple charges)50 Q 9 Level 9 Ready 50/50 Topics in this level Coulomb's Law (force between multiple charges)50 Q 10 Level 10 Ready 50/50 Topics in this level Dipole in a Uniform External Field50 Q 11 Level 11 Ready 50/50 Topics in this level Dipole in a Uniform External Field50 Q 12 Level 12 Ready 50/50 Topics in this level Dipole in a Uniform External Field50 Q 13 Level 13 Ready 50/50 Topics in this level Electric Charges and their Conservation50 Q 14 Level 14 Ready 50/50 Topics in this level Electric Charges and their Conservation50 Q 15 Level 15 Ready 50/50 Topics in this level Electric Charges and their Conservation50 Q 16 Level 16 Ready 50/50 Topics in this level Electric Field and Electric Field Lines50 Q 17 Level 17 Ready 50/50 Topics in this level Electric Field and Electric Field Lines50 Q 18 Level 18 Ready 50/50 Topics in this level Electric Field and Electric Field Lines50 Q 19 Level 19 Ready 50/50 Topics in this level Electric Flux and Electric Dipole50 Q 20 Level 20 Ready 50/50 Topics in this level Electric Flux and Electric Dipole50 Q 21 Level 21 Ready 50/50 Topics in this level Electric Flux and Electric Dipole50 Q 22 Level 22 Ready 50/50 Topics in this level Gauss's Law and its Applications50 Q 23 Level 23 Ready 50/50 Topics in this level Gauss's Law and its Applications50 Q 24 Level 24 Ready 50/50 Topics in this level Gauss's Law and its Applications50 Q 25 Level 25 Locked 0/50 26 Level 26 Locked 0/50 27 Level 27 Locked 0/50 28 Level 28 Locked 0/50 29 Level 29 Locked 0/50 30 Level 30 Locked 0/50 31 Level 31 Locked 0/50 32 Level 32 Locked 0/50 33 Level 33 Locked 0/50 34 Level 34 Locked 0/50 35 Level 35 Locked 0/50 36 Level 36 Locked 0/50 37 Level 37 Locked 0/50 38 Level 38 Locked 0/50 39 Level 39 Locked 0/50 40 Level 40 Locked 0/50

Expert Levels

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1 Level 1 Ready 50/50 Topics in this level Conductors and Insulators50 Q 2 Level 2 Ready 50/50 Topics in this level Conductors and Insulators50 Q 3 Level 3 Ready 50/50 Topics in this level Conductors and Insulators50 Q 4 Level 4 Ready 50/50 Topics in this level Continuous Charge Distribution50 Q 5 Level 5 Ready 50/50 Topics in this level Continuous Charge Distribution50 Q 6 Level 6 Ready 50/50 Topics in this level Continuous Charge Distribution50 Q 7 Level 7 Ready 50/50 Topics in this level Coulomb's Law (force between multiple charges)50 Q 8 Level 8 Ready 50/50 Topics in this level Coulomb's Law (force between multiple charges)50 Q 9 Level 9 Ready 50/50 Topics in this level Coulomb's Law (force between multiple charges)50 Q 10 Level 10 Ready 50/50 Topics in this level Dipole in a Uniform External Field50 Q 11 Level 11 Ready 50/50 Topics in this level Dipole in a Uniform External Field50 Q 12 Level 12 Ready 50/50 Topics in this level Dipole in a Uniform External Field50 Q 13 Level 13 Ready 50/50 Topics in this level Electric Charges and their Conservation50 Q 14 Level 14 Ready 50/50 Topics in this level Electric Charges and their Conservation50 Q 15 Level 15 Ready 50/50 Topics in this level Electric Charges and their Conservation50 Q 16 Level 16 Ready 50/50 Topics in this level Electric Field and Electric Field Lines50 Q 17 Level 17 Ready 50/50 Topics in this level Electric Field and Electric Field Lines50 Q 18 Level 18 Ready 50/50 Topics in this level Electric Field and Electric Field Lines50 Q 19 Level 19 Ready 50/50 Topics in this level Electric Flux and Electric Dipole50 Q 20 Level 20 Ready 50/50 Topics in this level Electric Flux and Electric Dipole50 Q 21 Level 21 Ready 50/50 Topics in this level Electric Flux and Electric Dipole50 Q 22 Level 22 Ready 50/50 Topics in this level Gauss's Law and its Applications50 Q 23 Level 23 Ready 50/50 Topics in this level Gauss's Law and its Applications50 Q 24 Level 24 Ready 50/50 Topics in this level Gauss's Law and its Applications50 Q 25 Level 25 Locked 0/50 26 Level 26 Locked 0/50 27 Level 27 Locked 0/50 28 Level 28 Locked 0/50 29 Level 29 Locked 0/50 30 Level 30 Locked 0/50 31 Level 31 Locked 0/50 32 Level 32 Locked 0/50 33 Level 33 Locked 0/50 34 Level 34 Locked 0/50 35 Level 35 Locked 0/50 36 Level 36 Locked 0/50 37 Level 37 Locked 0/50 38 Level 38 Locked 0/50 39 Level 39 Locked 0/50 40 Level 40 Locked 0/50

Latest Physics Questions

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गाउस नियम के कठिन प्रश्नों में सबसे सुरक्षित परीक्षा तरीका क्या है?

What is the safest exam method for difficult Gauss's law questions?

Explanation opens after your attempt
Correct Answer

A. पहले बंद पृष्ठ, फिर बंद आवेश, फिर सममिति पहचानेंFirst identify closed surface, then enclosed charge, then symmetry

Step 1

Concept

Gauss's law is for closed surfaces, so check whether the surface is closed.

Step 2

Why this answer is correct

Then count only net charge inside.

Step 3

Exam Tip

Finally use symmetry to decide whether field can be found directly. चरण 1: गाउस नियम बंद पृष्ठ के लिए है, इसलिए पृष्ठ बंद है या नहीं देखें। चरण 2: फिर केवल अंदर का शुद्ध आवेश गिनें। चरण 3: अंत में सममिति देखकर तय करें कि क्षेत्र सीधे निकलेगा या नहीं।

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गोलाकार, बेलनाकार और डिब्बेनुमा गाउसीय पृष्ठ क्रमशः किन वितरणों के लिए सबसे उपयुक्त हैं?

Spherical, cylindrical, and pillbox Gaussian surfaces are respectively most suitable for which distributions?

Explanation opens after your attempt
Correct Answer

A. बिंदु आवेश, अनंत रेखा आवेश और अनंत समतल चादरPoint charge, infinite line charge, and infinite plane sheet

Step 1

Concept

A point charge gives spherical symmetry.

Step 2

Why this answer is correct

An infinite line charge gives cylindrical symmetry.

Step 3

Exam Tip

An infinite sheet gives plane symmetry, so a pillbox is useful. चरण 1: बिंदु आवेश गोलकीय सममिति देता है। चरण 2: अनंत रेखा आवेश बेलनाकार सममिति देता है। चरण 3: अनंत चादर समतल सममिति देती है और डिब्बेनुमा पृष्ठ उपयोगी होता है।

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खुली सतह पर गाउस नियम को बंद आवेश वाले रूप में सीधे क्यों नहीं लगाया जाता?

Why is Gauss's law in enclosed-charge form not applied directly to an open surface?

Explanation opens after your attempt
Correct Answer

A. क्योंकि बंद आवेश स्पष्ट करने के लिए पृष्ठ का बंद होना जरूरी हैBecause the surface must be closed to define enclosed charge clearly

Step 1

Concept

Gauss's law connects total flux with a closed surface.

Step 2

Why this answer is correct

Only a closed surface completely encloses a volume.

Step 3

Exam Tip

Hence the enclosed-charge form is not directly used for an open surface. चरण 1: गाउस नियम कुल अभिवाह को बंद पृष्ठ से जोड़ता है। चरण 2: बंद पृष्ठ ही किसी आयतन को पूरी तरह घेरता है। चरण 3: इसलिए खुली सतह पर बंद आवेश वाला रूप सीधे लागू नहीं किया जाता।

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गाउस नियम का प्रयोग करते समय सबसे पहले कौन सा आवेश गिनना चाहिए?

While applying Gauss's law, which charge should be counted first?

Explanation opens after your attempt
Correct Answer

A. गाउसीय पृष्ठ के अंदर का शुद्ध आवेशNet charge inside the Gaussian surface

Step 1

Concept

Gauss's law relates total flux to enclosed charge.

Step 2

Why this answer is correct

Outside charges do not change total flux.

Step 3

Exam Tip

Begin the solution by finding net charge inside. चरण 1: गाउस नियम कुल अभिवाह को अंदर बंद आवेश से जोड़ता है। चरण 2: बाहर के आवेश कुल अभिवाह नहीं बदलते। चरण 3: इसलिए समाधान की शुरुआत अंदर के शुद्ध आवेश से करें।

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गोलकीय चालक के भीतर अलग-अलग त्रिज्या के गाउसीय गोले लें। विद्युत क्षेत्र के बारे में सही कथन कौन सा है?

Take Gaussian spheres of different radii inside a spherical conductor. Which statement about electric field is correct?

Explanation opens after your attempt
Correct Answer

A. हर अंदरूनी गोले पर क्षेत्र शून्य हैField is zero on every internal sphere

Step 1

Concept

Inside a conductor in electrostatic equilibrium, electric field is zero.

Step 2

Why this answer is correct

Any internal Gaussian surface encloses no net excess charge.

Step 3

Exam Tip

Therefore field is zero at every interior point. चरण 1: चालक के भीतर स्थिर अवस्था में विद्युत क्षेत्र शून्य होता है। चरण 2: अंदर की कोई भी गाउसीय सतह शुद्ध अतिरिक्त आवेश बंद नहीं करती। चरण 3: इसलिए हर अंदरूनी बिंदु पर क्षेत्र शून्य है।

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गोलकीय चालक के बाहर केंद्र से दूरी दोगुनी करने पर विद्युत क्षेत्र कैसे बदलेगा?

Outside a spherical conductor, how does electric field change when distance from centre is doubled?

Explanation opens after your attempt
Correct Answer

A. एक चौथाई हो जाएगाIt becomes one-fourth

Step 1

Concept

Outside a spherical conductor, field behaves as if total charge is at the centre.

Step 2

Why this answer is correct

Such field follows inverse-square dependence.

Step 3

Exam Tip

Doubling distance makes field one-fourth. चरण 1: गोलकीय चालक के बाहर क्षेत्र केंद्र पर रखे कुल आवेश जैसा होता है। चरण 2: ऐसा क्षेत्र दूरी के वर्ग के व्युत्क्रमानुपाती घटता है। चरण 3: दूरी दोगुनी होने पर क्षेत्र एक चौथाई रह जाएगा।

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चालक के अंदर विद्युत क्षेत्र शून्य है। क्या यह जरूरी है कि चालक पर कुल आवेश भी शून्य हो?

Electric field inside a conductor is zero. Is it necessary that total charge on the conductor is also zero?

Explanation opens after your attempt
Correct Answer

A. नहीं, अतिरिक्त आवेश सतह पर रह सकता हैNo, excess charge can stay on the surface

Step 1

Concept

In electrostatic equilibrium, field inside a conductor is zero.

Step 2

Why this answer is correct

This statement concerns the internal field.

Step 3

Exam Tip

A conductor may still have excess charge, but it resides on the surface. चरण 1: स्थिर अवस्था में चालक के भीतर क्षेत्र शून्य होता है। चरण 2: यह बात केवल अंदर के क्षेत्र के बारे में है। चरण 3: चालक पर अतिरिक्त आवेश हो सकता है, पर वह सतह पर रहता है।

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बंद पृष्ठ के अंदर धन आवेश है और बाहर कई ऋण आवेश जोड़ दिए गए। कुल अभिवाह किससे तय होगा?

A positive charge is inside a closed surface and many negative charges are added outside. What determines total flux?

Explanation opens after your attempt
Correct Answer

A. केवल अंदर के शुद्ध आवेश सेOnly by the net charge inside

Step 1

Concept

In Gauss's law, total flux depends only on enclosed charge.

Step 2

Why this answer is correct

Outside charges may change field on the surface.

Step 3

Exam Tip

But they do not change the net total flux. चरण 1: गाउस नियम में कुल अभिवाह केवल बंद आवेश पर निर्भर करता है। चरण 2: बाहर के आवेश सतह पर क्षेत्र बदल सकते हैं। चरण 3: पर वे कुल अभिवाह का शुद्ध मान नहीं बदलते।

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बंद पृष्ठ का क्षेत्रफल दोगुना कर दिया गया पर अंदर का शुद्ध आवेश वही है। कुल अभिवाह क्यों नहीं बदलता?

A closed surface area is doubled but the net charge inside remains the same. Why does total flux not change?

Explanation opens after your attempt
Correct Answer

A. क्योंकि कुल अभिवाह बंद आवेश से तय होता है, क्षेत्रफल से नहींBecause total flux is determined by enclosed charge, not area

Step 1

Concept

Gauss's law connects total flux with enclosed charge.

Step 2

Why this answer is correct

Area change may alter local field or distribution.

Step 3

Exam Tip

But if net enclosed charge is same, total flux remains unchanged. चरण 1: गाउस नियम कुल अभिवाह को बंद आवेश से जोड़ता है। चरण 2: क्षेत्रफल बदलने से स्थानीय क्षेत्र या वितरण बदल सकता है। चरण 3: लेकिन शुद्ध बंद आवेश वही हो तो कुल अभिवाह अपरिवर्तित रहता है।

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एक बंद पृष्ठ के अंदर धन और ऋण आवेशों की व्यवस्था बदल दी गई पर शुद्ध बंद आवेश वही रहा। कुल अभिवाह क्या होगा?

Inside a closed surface, positive and negative charges are rearranged but net enclosed charge remains the same. What happens to total flux?

Explanation opens after your attempt
Correct Answer

A. अपरिवर्तित रहेगाIt remains unchanged

Step 1

Concept

Total flux depends on net enclosed charge.

Step 2

Why this answer is correct

Rearrangement may change field distribution on the surface.

Step 3

Exam Tip

But if net enclosed charge is the same, total flux remains unchanged. चरण 1: कुल अभिवाह शुद्ध बंद आवेश पर निर्भर करता है। चरण 2: व्यवस्था बदलने से सतह पर क्षेत्र का वितरण बदल सकता है। चरण 3: पर शुद्ध बंद आवेश वही है इसलिए कुल अभिवाह वही रहेगा।

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बंद आवेश तीन गुना और माध्यम की विद्युतशीलता समान रहे तो कुल अभिवाह कैसे बदलेगा?

If enclosed charge becomes three times and permittivity remains the same, how does total flux change?

Explanation opens after your attempt
Correct Answer

A. तीन गुनाThree times

Step 1

Concept

In Gauss's law, total flux is proportional to enclosed charge.

Step 2

Why this answer is correct

Permittivity is unchanged, so only charge ratio matters.

Step 3

Exam Tip

Tripling enclosed charge triples the flux. चरण 1: गाउस नियम में कुल अभिवाह बंद आवेश के समानुपाती होता है। चरण 2: विद्युतशीलता समान है इसलिए केवल आवेश का अनुपात देखना है। चरण 3: बंद आवेश तीन गुना होने पर अभिवाह तीन गुना होगा।

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गाउस नियम और कूलॉम नियम के संबंध में सही कथन क्या है?

What is the correct statement about Gauss's law and Coulomb's law?

Explanation opens after your attempt
Correct Answer

A. स्थिर विद्युत में दोनों सुसंगत हैंThey are consistent in electrostatics

Step 1

Concept

Both laws deal with electric fields of stationary charges.

Step 2

Why this answer is correct

Applying Gauss's law to a point charge gives a Coulomb-law result.

Step 3

Exam Tip

Treat them as connected, not contradictory. चरण 1: दोनों नियम स्थिर आवेशों के विद्युत क्षेत्र से जुड़े हैं। चरण 2: बिंदु आवेश पर गाउस नियम लगाने से कूलॉम नियम जैसा परिणाम मिलता है। चरण 3: इन्हें विरोधी नहीं, एक-दूसरे से जुड़े नियम समझें।

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FAQs

Class 12 Science Physics FAQs

How many Physics questions are in each level?

Each ready level is designed for 50 active questions for the selected class, subject and difficulty.

Which difficulty levels are available for Physics?

Students can practice Easy, Medium, Hard and Expert levels according to their preparation stage.

Are answers and explanations available?

Yes, question pages include answer reveal, correct option, explanation, related questions and share options.