The de broglie wavelength of an electron with a velocity of 6.00 × 106 m/s is m. the mass of the electron is 9.11 × 10-28 g.

Explanation:

The de Broglie wavelength is given by the following formula:

(1)

Where:

is the Planck constant

is the momentum of the atom, which is given by:

(2)

Where:

is the mass of the electron

is the velocity of the electron

This means equation (2) can be written as:

(3)

Substituting (3) in (1):

(4)

Now, we only have to find :

>>> This is the de Broglie wavelength of the electron

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