The energy of an `alpha`-particle is `6.8xx10^(-18)J`. What will be the wavelength associated with it?

The energy of an a-particle is 6.8xx10^(-18)J . What will be the wave length associated with it ? Given : h=6.62xx10^(-34)Js, 1 "amu"=1.67xx10^(-27) kg.

Two particles A and B are in motion. If the wavelength associated with particle A is 5 xx 10^(-8)m , calculate the wavelength associated with particle B if its momentum is half of A.

Two particles A and B are in motion. If the wavelength associated with particle A is 5 xx 10^(-8)m , calculate the wavelength associated with particle B if its momentum is half of A.

Two particles A and B are in motion. The momentum of particle 'B' is half of 'A'. If the wavelength associated with the particle 'A' is 5xx10^-8 m, calculate the wavelength associated with the particle 'B'.

The kinetic energy of one electron is 2.8xx10^(-13) J. What is the de-Broglie wavelength