Name: Sources of Electromagnetic Waves
Uploaded: 2019-07-19
Duration: 5 min 12 s
Description: Can you name some sources of electromagnetic waves by looking around you? You will learn about the different sources of electromagnetic waves

Question

What is the source of Gamma rays and write its use.

Accepted Answer

Gamma rays are the most energetic form of light, highly penetrating electromagnetic energy emitted by the nucleus of some radionuclides following radioactive decay.The discovery of gamma rays is attributed to a French physicist Henri Becquerel in 1896.

A British physicist Ernest Rutherford coined the term gamma ray in 1903 following former studies of the emissions of radioactive nuclei. These rays don’t carry an electric charge; they can penetrate enormous distances through materials before interacting with several cm of lead or a meter of concrete required to halt the gamma rays.

The Greek symbol for gamma rays is γ (Gamma).

Uses

(i) Gamma rays are used in preserving food material.

(ii) They are used in nuclear reactions.

What is the source of Gamma rays and write its use.

Important Questions on Electromagnetic Waves

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