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The energy of a photon is 3 xx10^(-12)er...

The energy of a photon is `3 xx10^(-12)erg`.What is its wavelength in nm?`(h=6.62xx10^(-27)erg-s,3xx10^(10)cm s^(-1))`

A

662

B

1324

C

66.2

D

6.62

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A
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