यदि पानी की मात्रा और प्रकाश दोनों बदल दिए जाएं तो प्रयोग कैसा होगा?
What will the experiment be like if both water amount and light are changed?
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Correct Answer
B. निष्पक्ष नहींNot fair
Concept
Changing two main factors makes the cause of the result unclear. Therefore the experiment will not be fair.
Why this answer is correct
The correct answer is B. निष्पक्ष नहीं / Not fair. Changing two main factors makes the cause of the result unclear. Therefore the experiment will not be fair.
Exam Tip
दो मुख्य कारक बदलने से परिणाम का कारण स्पष्ट नहीं रहेगा। इसलिए प्रयोग निष्पक्ष नहीं होगा।
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