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Discovery of Electrons

Mass of an el...

Question

Mass of an electron is approximately 1/1837 times that of mass of proton. True or False.

A

True

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B

False

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Solution

The correct option is A
True

Mass of proton is 1.0072766 a.m.u. or 1.6726 $\times$ $10^{- 27}$ kg. Comparative mass: Proton is 1837 times heavier than an electron.

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Similar questions

Mass of an electron is approximately 1837 times that of a proton.

The mass of an electron is approximately 1/2000 times that of a/an :

Q. Calculate the mass of a proton if the charge to mass ratio of an electron is

1.758820 \times 10^{11} {C kg}^{- 1}

and it is known that the mass of a proton is 1837 times greater than the mass of an electron.

Q. If the absolute mass of an electron is

x

kg, then the absolute mass of a proton will be?

State whether True or False.

(a) J.J. Thomson proposed that the nucleus of an atom contains only nucleons.
(b) A neutron is formed by an electron and a proton combining. Therefore, it is neutral.
(c) The mass of an electron is about

\frac{1}{2000}

times that of a proton.

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