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# What is the De Broglie Wavelength Of A Dust Particle of Mass 1.0 × 10−9 Kg Drifting with a Speed of 2.2 M/S? - Physics

What is the de Broglie wavelength of a dust particle of mass 1.0 × 10−9 kg drifting with a speed of 2.2 m/s?

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#### Solution

Mass of the dust particle, m = 1 × 10−9 kg

Speed of the dust particle, v = 2.2 m/s

De Broglie wavelength of the dust particle is given by the relation:

lambda = h/"mv"

= (6.6 xx 10-34)/(2.2 xx 10^(-9)) = 3.0 xx 10^(-25) m

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#### APPEARS IN

NCERT Class 12 Physics Textbook
Chapter 11 Dual Nature of Radiation and Matter
Q 15.3 | Page 408
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