Atoms - Result Question 19
20. An electron of a stationary hydrogen atom passes from the fifth energy level to the ground level. The velocity that the atom acquired as a result of photon emission will be :
[2012]
(a)
(b)
(c)
(d)
(
Show Answer
Answer:
Correct Answer: 20. (a)
Solution:
- (a) For emission, the wave number of the radiation is given as
linear momentum
