NDA2015General AbilityGeneral ScienceActual
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:
Options
- A1 and 2 only
- B1,2 and 3
- C3 and 4
- D1 and 4
Correct answer
A. 1 and 2 only
Step-by-step solution
Cathode rays are composed of negatively charged particle electron.