Q.

An object absorbs energy corresponding to wavelength 2400 Ao and emits two different radiations. The wavelength of one radiation is 6000 Ao. What is the wavelength of the other radiation?

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a

4000 A0

b

2000 A0

c

3000 A0

d

5000 A0

answer is A.

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Detailed Solution

1λ1( emitted )+1λ2( emitted )=1λ(absorbed) 1λ2 (emitted) =1240016000 =600024002400×6000 1λ2=36002400×6000                λ2=4000

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