Concept-wise Practice

heating-time MCQ Questions for Class 9

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

Practice Questions

2 questions tagged with heating-time.

एक छात्र अलग समय तक भोजन गर्म करके उसका तापमान मापता है। स्वतंत्र चर कौन सा है?

A student heats food for different durations and measures its temperature. Which is the independent variable?

Explanation opens after your attempt
Correct Answer

A. गर्म करने का समयHeating duration

Step 1

Concept

Heating duration is deliberately changed so it is the independent variable. In exams identify the changed duration.

Step 2

Why this answer is correct

The correct answer is A. गर्म करने का समय / Heating duration. Heating duration is deliberately changed so it is the independent variable. In exams identify the changed duration.

Step 3

Exam Tip

गर्म करने का समय जानबूझकर बदला जाता है इसलिए यह स्वतंत्र चर है। परीक्षा में बदली गई अवधि पहचानें।

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एक छात्र अलग समय तक भोजन गर्म करके उसका तापमान मापता है। गर्म करने का समय क्या है?

A student heats food for different durations and measures its temperature. What is the heating time?

Explanation opens after your attempt
Correct Answer

C. स्वतंत्र चरIndependent variable

Step 1

Concept

The heating time is deliberately changed so it is the independent variable. In exams identify the changed duration.

Step 2

Why this answer is correct

The correct answer is C. स्वतंत्र चर / Independent variable. The heating time is deliberately changed so it is the independent variable. In exams identify the changed duration.

Step 3

Exam Tip

गर्म करने का समय जानबूझकर बदला जाता है इसलिए यह स्वतंत्र चर है। परीक्षा में बदले गए समय को पहचानें।

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