एक छात्र अलग क्षेत्रफल वाली पत्तियों से जल हानि मापता है। स्वतंत्र चर कौन सा है?
A student measures water loss from leaves with different surface areas. Which is the independent variable?
Explanation opens after your attempt
A. पत्ती का क्षेत्रफलLeaf surface area
Concept
Leaf surface area is changed so it is the independent variable. In exams identify the deliberately varied feature.
Why this answer is correct
The correct answer is A. पत्ती का क्षेत्रफल / Leaf surface area. Leaf surface area is changed so it is the independent variable. In exams identify the deliberately varied feature.
Exam Tip
पत्ती का क्षेत्रफल बदला जाता है इसलिए यह स्वतंत्र चर है। परीक्षा में जानबूझकर बदली गई विशेषता पहचानें।
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