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?
Explanation opens after your attempt
C. लगाया गया भारApplied load
Concept
The applied load should be kept the same so that only temperature is tested. It is a controlled variable.
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.
Exam Tip
लगाया गया भार समान रखना चाहिए ताकि केवल तापमान का प्रभाव देखा जाए। यह नियंत्रित चर है।
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