if kinetic energy of a free electron is doubled its de Broglie wavelength changes by the factor?
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18
it will decrease by a factor of 1/√2.
Answered by
25
wavelength = h / mv
also if kinetic energy is double it is due to √2 times increase in velocity.
wavelength! = h / √2mv
= 1/√2( h/ mv)
so it decrease with factor of √2 or increase with factor 1/√ 2
also if kinetic energy is double it is due to √2 times increase in velocity.
wavelength! = h / √2mv
= 1/√2( h/ mv)
so it decrease with factor of √2 or increase with factor 1/√ 2
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