1.

The de-Broglie wavelength of a particle moving with a velocity 2.25 ´ 108 m/s is equal to the wavelength of photon. The ratio of kinetic energy of the particle to the energy of the photon is (velocity of light is 3 ´ 108 m/s) [EAMCET (Med.) 2003]

A.            1/8
B.            3/8
C.            5/8
D.            7/8
Answer» C.            5/8


Discussion

No Comment Found

Related MCQs