Which of the following are true for an electron? A. It is a quantum particle, be

Question

Which of the following are true for an electron?

A. It is a quantum particle, behaving in some experiments like a classical particle and in some experiments like a classical wave.

B. It carries momentum in its motion.

C. Its definite location can be precisely predicted

D. It carries energy in its motion.

E. Its definite momentum can be precisely predicted

A. It is a quantum particle, behaving in some experiments like a classical particle and in some experiments like a classical wave.

B. It carries momentum in its motion.

C. Its definite location can be precisely predicted

D. It carries energy in its motion.

E. Its definite momentum can be precisely predicted

Explanation / Answer

A)

True. because An electron has mass and charge, but it can
also display interference effects.

B)

True. A moving electron possesses kinetic energy. so it has momentum

(C)

True because from the Uncertainity priniciple , we can measure either position or momentum

The position and momentum of a particle cannot be simultaneously measured with arbitrarily high precision. There is a minimum for the product of the uncertainties of these two measurements.

(D)

True. A moving electron possesses kinetic energy.

(E)

True from the Uncertainity priniciple

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