Which of the following is the incorrect statement about electron?

# Which of the following is the incorrect statement about electron?

1. A

rest mass of electron is $9.11×{10}^{-28}\mathrm{g}$

2. B

specific charge of electron remains constant irrespective of the gas used in the discharge tube

3. C

charge of electron is 1.602 $×$10-10 C

4. D

specific charge of electron is greater than that of proton

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### Solution:

charge of electron is 1.602 $×$10-19 C

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