Calculate the frequency of the light emitted when an electron ina hydrogen atom makes each of the following transitions.

a) n=4?n=3

Express the frequency in inverse seconds

?1

b) n=5?n=1

Express the frequency in inverse seconds.

?2 =

c) n=5?n=4

Express the frequency in inverseseconds.

?3	d) n=6?n=5 Express the frequency in inverse seconds. ?4