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Question

Physics Question on Units and measurement

The ratio of one micron to one nanometre is

A

10310^3

B

10−310^{-3}

C

10−610^{-6}

D

10−910^{-9}

Answer

10310^3

Explanation

Solution

11 micron (1 μm)=10−6 m(1\, \mu m) = 10^{-6}\, m 11 nanometre (1 nm)=10−9 m(1 \,nm) = 10^{-9}\,m Their ratio is 1 micron1 nanometre\frac{\text{1 micron}}{\text{1 nanometre}} =10−6 m10−9 m=103=\frac{10^{-6}\,m}{10^{-9}\,m}=10^{3}