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Atomic Number and Mass Number

45. Mass of m...

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45. Mass of moving electron?

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Q. The mass of electron moving with velocity of light is:

Q. The dynamic mass of electron having rest mass

m_{0}

and moving with speed

0.8 c

Q. The ratio of the deBroglie wave length for the electron and proton moving with same velocity is:

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Q. A moving electron has

2.8 \times 10^{- 25} J

of kinetic energy. Its wavelength is:
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= 9.1 \times 10^{- 31} k g

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45^{\circ}

downward to the horizontal, then the field intensity in newton/coloumb will be

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