EASY
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IMPORTANT
Earn 100

An instrument with small least count will have, definitely

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Important Questions on Units and Measurements

HARD
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IMPORTANT
Amount of substance is a _____ quantity.
MEDIUM
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IMPORTANT
Parallax method is generally used to measure _____ distances.
MEDIUM
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IMPORTANT
Ratio of mean absolute error to the mean value of measured quantity is called _____ error. (Relative/ instrumental/ systematic)
MEDIUM
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IMPORTANT
Give the SI units of solid angle and plane angle.
MEDIUM
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IMPORTANT
The magnification produced by a convex lens is 2. Write its value in both SI and CGS units.
MEDIUM
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Name the errors which can have both positive and negative signs.
MEDIUM
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IMPORTANT
What is the value of 1 J in CGS units ?
MEDIUM
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IMPORTANT
How many significant figures are there in the value 163.602 ?