उसी प्रयोग में ध्वनि की तीव्रता कौन सा चर है?
In the same experiment what type of variable is sound intensity?
Explanation opens after your attempt
D. स्वतंत्र चरIndependent variable
Concept
Sound intensity is deliberately changed. Therefore it is the independent variable.
Why this answer is correct
The correct answer is D. स्वतंत्र चर / Independent variable. Sound intensity is deliberately changed. Therefore it is the independent variable.
Exam Tip
ध्वनि की तीव्रता जानबूझकर बदली जाती है। इसलिए यह स्वतंत्र चर है।
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