For the same kinetic energy, the momentum shall be maximum for which of the following particle ?

For the same, kinetic energy the momentum will be maximum for :

Which of the following particle having same kinetic energy, would have the maximum de-Broglie wave length

Which of the following particle having same kinetic energy, would have the maximum de-Broglie wave length

Which of the following particle having same kinetic energy, would have the maximum de-Broglie wave length

If L, M and P are the angular momentum, mass and linear momentum of a particle respectively, which of the following represents the kinetic energy of the particle when the particle rotates in a circle of radius R?

For an electron and a proton that have the same (a) kinetic energy. (b) momentum, or (c) speed, which particle has the shorter de Broglie wavelength?