Asked by Dana
An electron strikes the back of a TV screen at 1/10 the speed of light.
What is the speed of the electron?
What is the momentum of the electron?
What is the deBrogile wavelength of the electron?
What is the speed of the electron?
What is the momentum of the electron?
What is the deBrogile wavelength of the electron?
Answers
Answered by
drwls
v = 0.1 c = ?
momentum = m*v = ?
de Broglie wavelength = h/{momentum) = ?
You do the numbers. You will need to look up the speed of light (c), electrom mass (m), and Planck's constant (h).
I am using nonrelativistic (before Einstein) formulas. The correct formulas will differ by a factor of sqrt [1 - (v/c)^2]= 0.995
momentum = m*v = ?
de Broglie wavelength = h/{momentum) = ?
You do the numbers. You will need to look up the speed of light (c), electrom mass (m), and Planck's constant (h).
I am using nonrelativistic (before Einstein) formulas. The correct formulas will differ by a factor of sqrt [1 - (v/c)^2]= 0.995
Answered by
maahy
Consider the de Broglie wavelength of an electron that strikes the back face of one of the early models of a TV screen at 1/10 the speed of light
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