The de broglie wavelength of an electron traveling at 7.0 x 107m/s is 1.0 x 10-11m. (remember that me = 9.1 x 10-31kg and h = 6.63 x 10-34j·s) true false

The De Broglie's wavelength of a particle is given by:

where

is the Planck constant

p is the momentum of the particle

In this problem, the momentum of the electron is equal to the product between its mass and its speed:

and if we substitute this into the previous equation, we find the De Broglie wavelength of the electron:

So, the answer is True.

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c) up is the direction the magnetic force is acting on the charge.