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Question
Q262) Two particles A and B are in motion. If the wavelength associated with particle A is 5 × 10–8 m ; calculate the wavelength associated with particle B if its momentum is half of A.



SOLUTION

λ ∝ 1/λ
λA = 5 × 10–8m ∴ λB = 10–7m ∴ λB = 10–5cm
Answer:(b)