यदि एक प्रयोग में प्रकाश और पानी दोनों बदल दिए जाएँ तो क्या समस्या होगी?

What problem occurs if both light and water are changed in one experiment?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. परिणाम का सही कारण पता नहीं चलेगाThe true cause of the result will not be known

Step 1

Concept

When two factors change it becomes difficult to know which caused the result. In exams change only one independent variable.

Step 2

Why this answer is correct

The correct answer is D. परिणाम का सही कारण पता नहीं चलेगा / The true cause of the result will not be known. When two factors change it becomes difficult to know which caused the result. In exams change only one independent variable.

Step 3

Exam Tip

दो कारक बदलने पर यह तय करना कठिन होता है कि परिणाम किसके कारण आया। परीक्षा में केवल एक स्वतंत्र चर बदलें।

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यदि एक प्रयोग में प्रकाश और पानी दोनों बदल दिए जाएँ तो क्या समस्या होगी? / What problem occurs if both light and water are changed in one experiment?

Correct Answer: D. परिणाम का सही कारण पता नहीं चलेगा / The true cause of the result will not be known. Explanation: दो कारक बदलने पर यह तय करना कठिन होता है कि परिणाम किसके कारण आया। परीक्षा में केवल एक स्वतंत्र चर बदलें। / When two factors change it becomes difficult to know which caused the result. In exams change only one independent variable.

Which concept should I revise for this Science MCQ?

When two factors change it becomes difficult to know which caused the result. In exams change only one independent variable.

What exam hint can help solve this Science question?

दो कारक बदलने पर यह तय करना कठिन होता है कि परिणाम किसके कारण आया। परीक्षा में केवल एक स्वतंत्र चर बदलें।