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Radioactivity [With QUIZZES]
About Lesson

Radiation

Alpha Particles

Beta Particles

Gamma Rays

Nature

Helium nuclei

High energy electrons

Electromagnetic wave of short wavelength

Penetrating power

Little penetrating power e.g thin sheet

Good penetrating power e.g aluminium

High penetrating power e.g Lead

Charge

+2

e

0

Velocity

5-7% speed of light

travels at approximate speed of light

Travel at speed of light

Effect of magnetic field

Slightly in a magnetic field (+ve)

Strongly deflected in a magnetic field    (-ve)

No effects

 

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