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Question

Calculate the ratio between the energy of two radiation one with a wavelength of 6000    oA and the other with 2000    oA.


Your Answer
A
3:1
Correct Answer
B
1:3
Your Answer
C
2:1
Your Answer
D
1:2

Solution

The correct option is B 1:3
Given that:
λ1=6000   0A and λ2=2000   0A

E1=hcλ1 and E2=hcλ2
So,
E1E2=hcλ1hcλ2=λ2λ1=13

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