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Question 1/2 Easy Science 48 Exploration: Entering the World of Secondary Science Class 9 Level 6

यदि दो मापन अलग आएं तो क्या करना चाहिए?

What should be done if two measurements are different?

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Correct Answer

D. उपकरण जांचकर मापन दोहरानाCheck the instrument and repeat the measurement

Step 1

Concept

Different measurements may indicate an error. Check the instrument and method and measure again.

Step 2

Why this answer is correct

The correct answer is D. उपकरण जांचकर मापन दोहराना / Check the instrument and repeat the measurement. Different measurements may indicate an error. Check the instrument and method and measure again.

Step 3

Exam Tip

अलग मापन त्रुटि का संकेत हो सकते हैं। उपकरण और विधि जांचकर दोबारा मापें।

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Question 2/2 Medium Science 48 Exploration: Entering the World of Secondary Science Class 9 Level 4

वैज्ञानिक प्रश्न में जांच की अवधि बताने से क्या लाभ है?

What is the benefit of specifying the duration of an investigation in a scientific question?

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Correct Answer

D. जांच की सीमा स्पष्ट होती हैThe scope of the investigation becomes clear

Step 1

Concept

Specifying duration clarifies the period for collecting data. This makes the investigation easier to repeat.

Step 2

Why this answer is correct

The correct answer is D. जांच की सीमा स्पष्ट होती है / The scope of the investigation becomes clear. Specifying duration clarifies the period for collecting data. This makes the investigation easier to repeat.

Step 3

Exam Tip

अवधि बताने से आंकड़े एकत्र करने की समय सीमा स्पष्ट होती है। इससे जांच दोहराना आसान होता है।

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