A particle of mass 1 mg has the same wavelength as an electron moving with a velocity

A Particle Of Mass 1 Mg Has The Same Wavelength Physics QuestionA Particle Of Mass 1 Mg Has The Same Wavelength Physics Question

A particle of mass 1 mg has the same wavelength as an electron moving with a velocity of 3 x 10⁶ ms⁻¹. The velocity of the particle is

Options

(a) 3 x 10⁻³¹ ms⁻¹
(b) 2.7 x 10⁻²¹ ms⁻¹
(c) 2.7 x 10⁻¹⁸ ms⁻¹
(d) 9 x 10⁻² ms⁻¹

Correct Answer:

2.7 x 10⁻¹⁸ ms⁻¹

Explanation:

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