##### physics question 13 hw20

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What is the de Brogile wavelength of an electron that strikes the back of the face of a TV screen at 0.1 the speed of light? The speed of light is 2.998 × 108 m/s. Answer in units of m.

Jul 15th, 2015

Thank you for the opportunity to help you with your question!

Thank you for the opportunity to help you with your question!

Given,

velocity = 0.1 the speed of light = 2.998 x 10^7 m/s

mass of electron = 9.109 x 10^-31 Kg

We know,

De Brogile wavelength = h/mv

where, h = Planck's constant = 6.63 x 10^-34 J.s

so, wavelength = (6.63x10^-34) / (9.109 x10^-31 x 2.998 x 10^7)

De brogile wavelength =  2.45 x 10^-11 m

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Jul 15th, 2015

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Jul 15th, 2015
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Jul 15th, 2015
Oct 18th, 2017
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