Q.25. Explain two differences between direct and indirect methods of measuring length.
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Direct measurement
The quantity to be measured is determined directly.
Example – Measure distance by scale
Indirect measurement
The quantity to be measured is not measured directly.But other related parameter is measured and inference is drawn from there.
Example – Measure distance by optical method where we use telescope to calculate distance
The quantity to be measured is determined directly.
Example – Measure distance by scale
Indirect measurement
The quantity to be measured is not measured directly.But other related parameter is measured and inference is drawn from there.
Example – Measure distance by optical method where we use telescope to calculate distance
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