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rubber-band MCQ Questions for Class 9

rubber-band se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

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3 questions tagged with rubber-band.

Question 1/3 Medium Science Exploration: Entering the World of Secondary Science Variables in an experiment Class 9 Level 11

भिन्न तापमानों पर रबर बैंड की खिंचाव लंबाई मापते समय कौन सा चर स्थिर रखना चाहिए?

While measuring the extension of a rubber band at different temperatures, which variable should be kept constant?

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Correct Answer

C. लगाया गया भारApplied load

Step 1

Concept

The applied load should be kept the same so that only temperature is tested. It is a controlled variable.

Step 2

Why this answer is correct

The correct answer is C. लगाया गया भार / Applied load. The applied load should be kept the same so that only temperature is tested. It is a controlled variable.

Step 3

Exam Tip

लगाया गया भार समान रखना चाहिए ताकि केवल तापमान का प्रभाव देखा जाए। यह नियंत्रित चर है।

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Question 2/3 Easy Science Exploration: Entering the World of Secondary Science Variables in an experiment Class 9 Level 12

रबर बैंड को खींचने में लगने वाला बल कौन सा चर है?

What type of variable is the force needed to stretch a rubber band?

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Correct Answer

D. आश्रित चरDependent variable

Step 1

Concept

Force is measured as a result of changing length so it is the dependent variable. In exams choose the measured outcome.

Step 2

Why this answer is correct

The correct answer is D. आश्रित चर / Dependent variable. Force is measured as a result of changing length so it is the dependent variable. In exams choose the measured outcome.

Step 3

Exam Tip

बल लंबाई के परिवर्तन के परिणाम के रूप में मापा जाता है इसलिए यह आश्रित चर है। परीक्षा में मापे गए परिणाम को चुनें।

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Question 3/3 Easy Science Exploration: Entering the World of Secondary Science Variables in an experiment Class 9 Level 12

एक छात्र अलग लंबाई के रबर बैंड खींचकर लगने वाला बल मापता है। रबर बैंड की लंबाई क्या है?

A student stretches rubber bands to different lengths and measures the force needed. What is the rubber band length?

Explanation opens after your attempt
Correct Answer

C. स्वतंत्र चरIndependent variable

Step 1

Concept

The stretched length is deliberately changed so it is the independent variable. In exams identify the changed quantity.

Step 2

Why this answer is correct

The correct answer is C. स्वतंत्र चर / Independent variable. The stretched length is deliberately changed so it is the independent variable. In exams identify the changed quantity.

Step 3

Exam Tip

खींची गई लंबाई जानबूझकर बदली जाती है इसलिए यह स्वतंत्र चर है। परीक्षा में बदली गई मात्रा पहचानें।

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