McqMate
| Q. |
The mass of an electron in motion depends upon - |
| A. | Direction of motion |
| B. | B its velocity |
| C. | C its velocity of e- |
| D. | D it’s shell number |
| Answer» B. B its velocity | |
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Explanation: The electron has a mass that is approximately 1/1836 that of the proton. Quantum mechanical properties of the electron include an intrinsic angular momentum (spin) of a half-integer value, expressed in units of the reduced Planck constant, ħ. |
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