question_answer

Which combination of statements is correct regarding Bohr's model of atom?

i. Electrons revolve around the nucleus in highly elliptical orbit.

ii. Electrons revolve around the nucleus only in certain permissible orbits and not in other orbits.

iii. When an electron revolves in its discrete fixed energy shell, it loses some energy after every revolution.

iv. Electrons in different orbits have different energies.

v. When an electron jumps from a lower energy level to a higher energy level, it absorbs energy.

A) i, iv and v

B) ii, iv and v

C) ii, iii and iv

D) iii, iv and v

E) None of these