Question

Assertion (A): Orbits or shell are also known as stationary energy level.
Reason (R): An electron in a shell can move to a higher or lower energy shell by absorbing or
releasing fixed amount of ene
rgy.
(a) Both (A) and (R) true and (R) is the correct
explanation of the assertion.
(b) Both (A) and (R) true and (R) is not the
correct explanation of the assertion
(c) (A) is true but (R) is false
(d) (A) is false but (R) is true​

Answer 1

Answer:

A.because they both are true