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Q.

A sub-atomic particle of mass 10^–30 kg is moving with a velocity 2.21 × 10⁶ m/s. Under the matter wave consideration, the particle will behave closely like ______. (h = 6.63 × 10^–34 J.s)

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a

Gamma rays

b

Visible radiation

c

Infra-red radiation

d

X-rays

answer is B.

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Detailed Solution

$λ = \frac{h}{p} = \frac{6.63 \times 10^{- 34}}{10^{- 30} \times 2.21 \times 10^{6}}$
= 3 × 10^–10m
Hence particle will behave as x-ray.

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