Question

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

A
3:1
B
1:3
C
2:1
D
1:2

Solution

## The correct option is B 1:3Given that: λ1=6000   0A and λ2=2000   0A E1=hcλ1 and E2=hcλ2 So, E1E2=hcλ1hcλ2=λ2λ1=13

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