Assertion : When a electron in a hydrogen like atom is excited to n=4 state, radiations of six different frequencies can be emitted.
Reason : Whenever an electron jumps from one orbit to another orbit it emits energy.

Options

A. If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B. If both Assertion and Reason are true but Reason is not correct explanation of Assertion.
C. If Assertion is true but Reason is false.
D. If both Assertion and Reason are false.

Explanation

The six different radiations correspond to

`E _(4 )- E _(1)`
`E _(4) - E _(2), E _(2 ) - E _(1)`
`E _(3) - E_(2)`
Whenever the electron jumps from `E_(4)` to `E_(1)` either directly or in steps `E_(4)` to `E_(3)` to `E_(3)` to `E_(1)` a characteristic radiation is emitted
The reason is not correct as the electron does not emit radiation when going from any lower orbit to any other higher orbit. The electron will emit radiation only when going from a higher to a lower orbit nor from a lower orbit to a higher orbit.