Concept-wise Practice

fair measurement MCQ Questions for Class 9

fair measurement se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

1 questions tagged with fair measurement.

एक छात्र ने पाँच दिनों तक प्रतिदिन समान समय पर पौधे की ऊँचाई मापी। समान समय रखने का कारण क्या था?

A student measured a plant's height at the same time each day for five days. Why was the time kept the same?

Explanation opens after your attempt
Correct Answer

B. समय को नियंत्रित चर रखने के लिएTo keep time as a controlled variable

Step 1

Concept

Keeping the same time reduces the extra effect of timing on daily comparisons. In exams treat constant conditions as controlled variables.

Step 2

Why this answer is correct

The correct answer is B. समय को नियंत्रित चर रखने के लिए / To keep time as a controlled variable. Keeping the same time reduces the extra effect of timing on daily comparisons. In exams treat constant conditions as controlled variables.

Step 3

Exam Tip

समान समय रखने से दैनिक तुलना पर समय का अतिरिक्त प्रभाव कम होता है। परीक्षा में नियमित परिस्थितियों को नियंत्रित चर मानें।

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