Which of the following are the properties of an electron? 1. Electron

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Which of the following are the properties of an electron?
1. Electron is a constituent of cathode ray
2. Electron is a negatively charged particle
3. The mass of the electron is equal to the mass of the proton
4. Electron is deflected by the electric field but not by magnetic field
Select the correct answer using the code given below:

1 and 2 only
1, 2 and 3
3 and 4
1 and 4
This question was previously asked in
UPSC NDA-2 – 2015
Download PDFAttempt Online
Statement 1 is correct: Cathode rays are streams of electrons. Statement 2 is correct: Electrons are negatively charged fundamental particles. Statement 3 is incorrect: The mass of an electron is significantly smaller (about 1/1836) than the mass of a proton. Statement 4 is incorrect: Electrons, being charged particles, are deflected by both electric fields and magnetic fields.
This question tests basic properties of electrons, a fundamental particle in physics and chemistry.
Electrons are leptons and are one of the constituents of atoms, orbiting the nucleus. Their charge is approximately -1.602 x 10⁻¹⁹ Coulombs.

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