एक छात्र अलग मात्रा में साबुन लेकर दाग हटने की मात्रा मापता है। साबुन की मात्रा क्या है?
A student uses different amounts of soap and measures the amount of stain removed. What is the amount of soap?
Explanation opens after your attempt
D. स्वतंत्र चरIndependent variable
Concept
The amount of soap is deliberately changed so it is the independent variable. In exams identify the changed amount of substance.
Why this answer is correct
The correct answer is D. स्वतंत्र चर / Independent variable. The amount of soap is deliberately changed so it is the independent variable. In exams identify the changed amount of substance.
Exam Tip
साबुन की मात्रा जानबूझकर बदली जाती है इसलिए यह स्वतंत्र चर है। परीक्षा में बदले गए पदार्थ की मात्रा पहचानें।
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