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Q.

The energies E1 and E2 of two radiations are 25eV and 50eV respectively. The relation between their wave lengths i.e., λ1 and λ2 will be:

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a

λ1=12λ2

b

λ1=λ2

c

λ1=2λ2

d

λ1=4λ2

answer is C.

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Detailed Solution

E=hcλ; E ∝1λ ; 2550=λ2λ1;
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