The wavelength of a spectral line is 480...

The wavelength of a spectral line is 480 nm. What is its value in mn?

A

`480xx10^(-7)mm`

B

`48xx10^(-5)mm`

C

`48xx10^(-6)mm`

D

`4.8xx10^(-5)mm`

Verified by Experts

The correct Answer is:

b

`480nm=480xx10^(-9)m=480xx10^(-9)xx10^(3)mm`
`=48xx10^(-5)mm`

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