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Q.

Given below are two statements:
Statement I : In hydrogen atom, the frequency of radiation emitted when an electron jumps from lower energy orbit E1 to higher energy orbit E2, is given as hf=E1-E2.

Statement-II : The jumping of electron from higher energy orbit E2 to lower energy orbit E1 is associated with frequency of radiation given as f =E2-E1/h
This condition is Bohr's frequency condition. In the light of the above statements, choose the correct answer from the options given below:

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a

Both statement I and statement II are true.

b

Both statement I and statement II are false

c

Statement I is correct but statement II is false

d

Statement I is incorrect but statement II is true.

answer is D.

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Detailed Solution

When electron jump from lower to higher energy level, energy absorbed so statement-I incorrect. When electron jump from higher to lower energy level, energy of emitted photon E=E2-E1
hf=E2-E1f=E2-E1 h
so statement-II is correct.

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