How kinetic, potential and total energy change when the electron changes orbit

1. A.
   Acceleration of electron in $n=2$ orbit is less than that in $n=1$ orbit.
2. B.
   Angular momentum of electron in $n=2$ orbit is more than that in $n=1$ orbit.
3. C.
   Kinetic energy of electron in $n=2$ orbit is less than that in $n=1$ orbit.
4. D.
   Potential energy of electron in $n=2$ orbit is less than that in $n=1$ orbit.

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1. A.
   potential energy increases and K.E. decreases.
2. B.
   potential energy decreases and K.E. increases.
3. C.
   both K.E. and potential energy will increase.
4. D.
   both K.E. and potential energy decreases.

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1. A.
   A
2. B.
   B
3. C.
   C
4. D.
   D

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