कौन से चर प्रयोग में जानबूझकर नहीं बदले जाते?
Which variables are not deliberately changed in an experiment?
Explanation opens after your attempt
B. नियंत्रित चरControlled variables
Concept
Controlled variables are deliberately kept the same. This makes the experiment fair.
Why this answer is correct
The correct answer is B. नियंत्रित चर / Controlled variables. Controlled variables are deliberately kept the same. This makes the experiment fair.
Exam Tip
नियंत्रित चर जानबूझकर समान रखे जाते हैं। इससे प्रयोग निष्पक्ष होता है।
Login to save your score, XP, coins and progress.
