Properties of cathode rays - Science & Technology

Q.  Which of the following are properties of cathode rays?

1. They are not deflected by electrical field.
2. Cathode rays travel with speed nearly equal to that of light.
3. Cathode rays ionize the gases through which they travel.
4. Cathode rays can penetrate through thin metallic sheets.
- Published on 10 Jul 15

a. 1,2,3
b. 2,3,4
c. 1,3,4
d. All

ANSWER: 2,3,4

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