Radiation Flashcards by Matty Horne | Brainscape

Q

Nature of alpha

A

Particle

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Q

Nature of beta

A

Particle

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Q

Nature of gamma

A

Wave

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Q

Elec charge of alpha

A

+2

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Q

Elec charge of beta

A

-1

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Q

Elec charge of gamma

A

0

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Q

Alpha stopped by

A

3-15mm air or paper

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Q

Beta stopped by

A

1-3 mm aliminium

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Q

Gamma stopped by

A

2.5 cm lead

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Q

Alpha ionising power

A

Very good

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Q

Beta ionising power

A

Medium

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Q

Gamma ionising power

A

Relatively poor

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Q

What is Alpha

A

Helium nucleus

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Q

What is beta

A

Very fast electron

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Q

What is gamma

A

electromagnetic radiation

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