Q.

The energies E1 and E2 of two electromagnetic radiations are 25 eV and 50 eV respectively. The relation between their wavelengthsλ1 and λ2 will be

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answer is 2.

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Detailed Solution

E1=hcλ1and E2=hcλ2 ; E1 E2=λ2λ1 λ2λ1 =2550=12 λ1=2λ2
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