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magnet MCQ Questions for Class 9

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

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4 questions tagged with magnet.

Question 1/4 Easy Science Exploration: Entering the World of Secondary Science Variables in an experiment Class 9 Level 10

चुंबक वाले प्रयोग में आकर्षित कीलों की संख्या क्या है?

In the magnet experiment what is the number of nails attracted?

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Correct Answer

C. आश्रित चरDependent variable

Step 1

Concept

The number of nails attracted changes with distance and is counted. In exams identify the measured result.

Step 2

Why this answer is correct

The correct answer is C. आश्रित चर / Dependent variable. The number of nails attracted changes with distance and is counted. In exams identify the measured result.

Step 3

Exam Tip

आकर्षित कीलों की संख्या दूरी के प्रभाव से बदलती है और गिनी जाती है। परीक्षा में मापा गया परिणाम पहचानें।

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Question 2/4 Easy Science Exploration: Entering the World of Secondary Science Variables in an experiment Class 9 Level 10

एक छात्र चुंबक और कील के बीच दूरी बदलकर आकर्षित कीलों की संख्या गिनता है। दूरी क्या है?

A student changes the distance between a magnet and nails and counts the nails attracted. What is the distance?

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Correct Answer

B. स्वतंत्र चरIndependent variable

Step 1

Concept

The experimenter changes the distance so it is the independent variable. In exams identify the changed spatial factor.

Step 2

Why this answer is correct

The correct answer is B. स्वतंत्र चर / Independent variable. The experimenter changes the distance so it is the independent variable. In exams identify the changed spatial factor.

Step 3

Exam Tip

दूरी प्रयोगकर्ता बदलता है इसलिए यह स्वतंत्र चर है। परीक्षा में बदले गए स्थान संबंधी कारक को पहचानें।

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Question 3/4 Hard Science Exploration: Entering the World of Secondary Science Hypothesis and experimentation Class 9 Level 7

एक छात्र चुंबक की शक्ति पर तापमान का प्रभाव जाँचना चाहता है। कौन-सा परिणाम सबसे उपयुक्त माप होगा?

A student wants to test the effect of temperature on magnet strength. Which result is the most suitable measurement?

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Correct Answer

B. चुंबक द्वारा उठाई गई समान लोहे की कीलों की संख्याNumber of identical iron nails lifted by the magnet

Step 1

Concept

The number of nails lifted gives a quantitative indication of magnetic strength. In exams choose an outcome that is numerical and measurable.

Step 2

Why this answer is correct

The correct answer is B. चुंबक द्वारा उठाई गई समान लोहे की कीलों की संख्या / Number of identical iron nails lifted by the magnet. The number of nails lifted gives a quantitative indication of magnetic strength. In exams choose an outcome that is numerical and measurable.

Step 3

Exam Tip

उठाई गई कीलों की संख्या चुंबकीय शक्ति का मात्रात्मक संकेत देती है। परीक्षा में परिणाम को संख्यात्मक और मापनीय चुनें।

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Question 4/4 Easy Science Exploration: Entering the World of Secondary Science Scientific questions and observations Class 9 Level 5

कौन सा प्रश्न चुंबक से संबंधित वैज्ञानिक प्रश्न है?

Which is a scientific question related to a magnet?

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Correct Answer

B. दूरी चुंबकीय आकर्षण को कैसे प्रभावित करती है?How does distance affect magnetic attraction?

Step 1

Concept

Distance can be changed and attraction measured. Identify measurable variables.

Step 2

Why this answer is correct

The correct answer is B. दूरी चुंबकीय आकर्षण को कैसे प्रभावित करती है? / How does distance affect magnetic attraction?. Distance can be changed and attraction measured. Identify measurable variables.

Step 3

Exam Tip

दूरी बदली और आकर्षण मापा जा सकता है। परीक्षा में मापने योग्य चर पहचानें।

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