किस स्थिति में अवलोकन अधिक विश्वसनीय होगा?
In which situation will an observation be more reliable?
Explanation opens after your attempt
D. मानक उपकरण से कई बार मापने परWhen measuring several times with a standard instrument
Concept
A standard instrument and repetition increase measurement reliability. In exams look for both proper tools and repetition.
Why this answer is correct
The correct answer is D. मानक उपकरण से कई बार मापने पर / When measuring several times with a standard instrument. A standard instrument and repetition increase measurement reliability. In exams look for both proper tools and repetition.
Exam Tip
मानक उपकरण और दोहराव मापन की विश्वसनीयता बढ़ाते हैं। परीक्षा में उपकरण और पुनरावृत्ति दोनों देखें।
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