Tamil Nadu Board of Secondary EducationHSC Science Class 12th

Write the properties of cathode rays. - Physics

Write the properties of cathode rays.

Solution

1. Cathode rays possess energy and momentum and travel in a straight line with a high speed of the order of 10m s-1
2. It can be deflected by the application of electric and magnetic fields.
3. When the cathode rays are allowed” to fall on matter, they produce heat.
4. They affect the photographic plates and also produce fluorescence when they fall on certain crystals and minerals.
5. When the cathode rays fall on a material of high atomic weight, x-rays are produced.
6. Cathode rays ionize the gas through which they pass.
7. The speed of cathode rays is up to (1/10)^"th".
Concept: Electric Discharge Through Gases
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Tamil Nadu Board Samacheer Kalvi Class 12th Physics Volume 1 and 2 Answers Guide
Chapter 9 Atomic and Nuclear physics
Evaluation | Q II. 2. | Page 190
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