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If the wavelength of an electromagnetic ...

If the wavelength of an electromagnetic radiation is 2000 A. what is its energy in ergs?

A

`9.94 xx 10^(-12)`

B

`9.94 xx 10^(-10)`

C

`4.97 xx 10^(-12)`

D

`4.97 xx 10^(-19)`

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The correct Answer is:
A
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