Standard Books Physics Conversion of Units MCQ Question with Solution

The ratio of one micron to one nanometre is

A

10³

B

10⁻³

C

10⁻⁶

D

10⁻⁹

Option A

1 micron (1 μm) = 10⁻⁶ m and 1 nanometre (1 nm) = 10⁻⁹ m. Their ratio is (10⁻⁶ m)/(10⁻⁹ m) = 10³.

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STANDARD Physics Conversion of Units MCQ Question