एक छात्र अलग मोटाई के कागज पर पानी की बूंद सोखने का समय मापता है। कागज की मोटाई क्या है?
A student measures the time taken by a drop of water to soak into papers of different thicknesses. What is paper thickness?
Explanation opens after your attempt
D. स्वतंत्र चरIndependent variable
Concept
Paper thickness is changed by the experimenter so it is the independent variable. In exams choose the deliberately changed property.
Why this answer is correct
The correct answer is D. स्वतंत्र चर / Independent variable. Paper thickness is changed by the experimenter so it is the independent variable. In exams choose the deliberately changed property.
Exam Tip
कागज की मोटाई प्रयोगकर्ता बदलता है इसलिए यह स्वतंत्र चर है। परीक्षा में जानबूझकर बदले गए गुण को चुनें।
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