The de-Broglie wavelength associated with a ball of mass 1kg having kinetic energy

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The de-Broglie wavelength associated with a ball of mass 1kg having kinetic energy 0.5 J is

Options

(a) 6.626 x 10⁻³⁴ m
(b) 13.20 x 10⁻³⁴ m
(c) 10.38 x 10⁻²¹ m
(d) 6.626 x 10⁻³⁴ Å

Correct Answer:

6.626 x 10⁻³⁴ m

Explanation:

λ= h / √2mKE
= 6.626 x 10⁻³⁴ / √2 x 1 x 0.5
= 6.626 x 10⁻³⁴ m

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Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Structure of Atom (90)
Subject: Chemistry (2512)

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