A proton ( ) a deuteron ( ) and an -particle ( ) possess same kinetic energy

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

Problem

A proton (

p

) a deuteron (

D

) and an

\alpha

-particle (

\alpha

) possess same kinetic energy. The order of de Broglie wavelengths is : (1)

\lambda_p > \lambda_\alpha > \lambda_D

(2)

\lambda_D > \lambda_\alpha > \lambda_p

(3)

\lambda_p > \lambda_D > \lambda_\alpha

(4)

\lambda_\alpha > \lambda_D > \lambda_p