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Q.

A 200 g cricket ball is thrown with a speed of 3.0×103  cm  sec1. What will be its de Broglie's wavelength ? h=6.6×1027g   cm2sec1

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a

1.1×1032cm

b

2.2×1032cm

c

0.55×1032cm

d

11.0×1032cm

answer is A.

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Detailed Solution

λ=hmv=6.6  ×  1027200×3×103=6.6  ×  10326λ=1.1  ×  1032  cm

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