Which of the following statements about the electron is incorrect?

(i) It is a negatively charged particle.

(ii) The mass of electron is equal to the mass of neutron.

(iii) It is a basic constituent of all atoms.

(iv) It is a constituent of cathode rays.

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Answered by

Vishal Baghel | Contributor-Level 10

9 months ago

This is a Multiple Choice Questions as classified in NCERT Exemplar

Ans: Option (ii)

The mass of an electron is equal to the mass of a neutron.

The neutron is heavier than the electron as

Mass of the neutron = 1.67 x 10^-27 kg

Mass of the electron = 9.11 x 10^-31kg

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Which of the following statements about the electron is incorrect? (i) It is a negatively charged particle. (ii) The mass of electron is equal to the mass of neutron. (iii) It is a basic constituent of all atoms. (iv) It is a constituent of cathode rays.