पौधे पर प्रकाश के प्रभाव की जांच में प्रकाश की मात्रा कौन सा चर है?
In an investigation of the effect of light on a plant what type of variable is the amount of light?
Explanation opens after your attempt
A. स्वतंत्र चरIndependent variable
Concept
The amount of light is deliberately changed. Therefore it is the independent variable.
Why this answer is correct
The correct answer is A. स्वतंत्र चर / Independent variable. The amount of light is deliberately changed. Therefore it is the independent variable.
Exam Tip
प्रकाश की मात्रा जानबूझकर बदली जाती है। इसलिए यह स्वतंत्र चर है।
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