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