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  3. The ratio of the energies of photons of 2000 A to that of 4000A is

. The ratio of the energies of photons of 2000 A to that of 4000A is

The ratio of the energies of photons of 2000Å to that of 4000Å is

(A):2

(B):4

(C):1/4

(D):1/4

Best Answer

Correct Answer:

(B): 4

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