A 100 g cricket ball is thrown with a speed of 6600 m/s. What will be its de Broglie wavelength? [6.6 x 10-34 J.
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m= 100×10^-3kg = 0.1 kg
lambda= h/mv
= 6.6×10^-34÷(0.1×6600)
= 10^-36 m
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