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What is the de Broglie wavelength (in cm) of a 160g cricket ball travelling at 140 Km hr^-1 .

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What is the de Broglie wavelength (in cm) of a 160g cricket ball travelling at 140 Km hr-1 .

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m = mass of the cricket ball = 160g = 0.16 kg. 

v = velocity of the cricket ball =140 Km h-1 

= (140 x 5)/18

= 38.88 ms-1

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