Question

The de Broglie wavelength of an electron whose kinetic energy is 120 eV, is (A) 1.02 x 10-10 m (B) 1.12 x 10-10 m (C) 1.34 x 10-10 m (D) 1.45 x 10-10 m​

Answer 1

Answer:

B is the right answer ok so here is your answer