In this question has statement I and statement II of the four choice given after the statement choose the one that best describes the two statements
Statement-I Bohr proposed that angular momentum of electron in an orbit is quantised
Statement-II de-broglie derived that : `mu_r=n(h/(2pi))`

Options

A. Statement -I is true and Statement -II IS true Statement II is a correct explanation of Statement -I
B. Statement -I is true and Statement -II IS true Statement II is a nit a correct explanation of Statement -I
C. Statement -I is true , Statement -II is false
D. Statement -I is false , Statement -II is true

Answer

2