Assertion: Bohr had to postulate that the electrons in stationary orbits around the nucleus do not radiate.
Reason: According to classical physical all moving electrons radiate.

Options

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false and R is true

Answer

B

Explanation

Bohr postulated that electrons in stationary orbits around the nucleus do not radiate. This is true. According to classical Physics, the moving electrons radiate only when they jump from a higher energy orbit to the lower energy orbit So, the reason is false