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The wavelength of light in air 5000 A.U....

The wavelength of light in air 5000 A.U. The number of waves in 50 cm of air is

A

`10^(5)` waves

B

`10^(6) ` waves

C

`5xx10^(5)` waves

D

`0.5xx10^(6)` waves

Text Solution

Verified by Experts

The correct Answer is:
B
`n=( 50 xx 10^(-1))/( 50 xx 10^(-7))=10^(6)` .
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