Which of the following statement(s) `is//are` consistent with the Bohr theory of the atom (and no other)?
(1) An electron can remain in a particular orbit as long as it continuously absorbs radioation of a definite frequency.
(2) The lowest energy orbits are those closest to the nucleus.
(3) All electrons can jump from the K shell to the M shell by emitting radiation of a definite frequency.

Options

A. 1,2,3,
B. 2 only
C. 3 only
D. 1,2

Answer

B