A particle moving with kinetic energy E has de Broglie wavelength

PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation

Problem

\lambda

. If energy

\Delta E

is added to its energy, the wavelength become

\frac{\lambda}{2}

. Value of

\Delta E

, is: (1) E (2) 4E (3) 3E (4) 2E