1.
Which of the following is a fundamental physical quantity?
2.
The SI unit of electric current is
3.
Which one of the following is not an SI base unit?
4.
The dimensional formula of force is
5.
The dimensional formula of energy is
6.
One nanometre is equal to
7.
The number of significant figures in 0.00560 is
8.
The number of significant figures in 2.030 × 10³ is
9.
Which instrument is commonly used to measure the diameter of a thin wire accurately?
10.
Least count of a measuring instrument is
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