Q.2.
Compare an electron traveling at 100 ms^-1, to light of wavelength 500 nm.
Data: mass of an electron = 9.1 x 10^-31kg. Planck's constant = 6.626 x 10^-34Js
Which of the following describes the wavelength of the electron?

A. The wavelength of the electron is shorter than the wavelength of light.
B. The wavelength of the electron is longer than the wavelength of light.
C. The wavelength of the electron is the same as the wavelength of light.
D. Electrons do not have a wavelength at speeds as low as 100 ms^-1.

• A
B C D Solution Next Q.

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