चर पहचानने के लिए कौन सा प्रश्न क्रम सबसे उपयोगी है?
Which sequence of questions is most useful for identifying variables?
Explanation opens after your attempt
A. क्या बदला गया क्या मापा गया और क्या समान रखा गयाWhat was changed what was measured and what was kept the same
Concept
The changed factor is independent the measured factor is dependent and the factor kept the same is controlled. This sequence is useful in exams.
Why this answer is correct
The correct answer is A. क्या बदला गया क्या मापा गया और क्या समान रखा गया / What was changed what was measured and what was kept the same. The changed factor is independent the measured factor is dependent and the factor kept the same is controlled. This sequence is useful in exams.
Exam Tip
बदला गया कारक स्वतंत्र मापा गया कारक आश्रित और समान रखा गया कारक नियंत्रित चर होता है। यह क्रम परीक्षा में उपयोगी है।
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