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Q.

An electron in H – atom is excited from ground state level to first excited level. Select the correct statements:

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a

Kinetic energy of electron is decreased

b

Potential energy is increased while kinetic energy of electron is decreased

c

Time period of rotation and angular momentum both are increased

d

Total energy is increased while angular speed is decreased

answer is A.

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Detailed Solution

V∝1n  P.E. ∝(−)1r T∝r3/2  T.E. ∝(−)1r
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An electron in H – atom is excited from ground state level to first excited level. Select the correct statements: