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The ratio of the energy of a photon of 2...

The ratio of the energy of a photon of `200 Å` wavelengths radiation to that of `4000Å` radiation is

A

`1//4`

B

4

C

`1//2`

D

2

Text Solution

Verified by Experts

The correct Answer is:
D
`E=hv=h(c)/lamda" "i.e.Eprop1/lamda`
`E_(1)/E_(2)=lamda_(2)/lamda_(1)=4000/2000=2`.
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