Two particles of equal masses are moving with equal speeds at an angle 60°. de-Broglie wavelength of these particles is λ . Find de-Brooglie wavelength of the particles in the frame of centre of mass

Question

Two particles of equal masses are moving with equal speeds at an angle 60°. de-Broglie wavelength of these particles is λ . Find de-Brooglie wavelength of the particles in the frame of centre of mass of particles :-

TestHub · Accepted Answer

Speed of centre of mass: v c m ​ = v cos 3 0 ∘ Speed in CM frame: v ′ = v sin 3 0 ∘ = 2 v ​ p ′ = 2 p ​ λ ′ = p ′ h ​ = 2 λ Option (B)

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