GCSE Physics Flashcards by Callum Barnes

Q

What is made up of 2 protons and 2 nuetrons

A

Alpha decay

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Q

What is emmited by some unstable nuclei

A

Gamma decay

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Q

Electron created and emmited by a nucleus which has too many protons compared to nuetrons

A

Beta decay

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Q

What can aplha radiation be stopped by

A

Air, paper

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Q

What can beta radiation be stopped by

A

Aliminium

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Q

Wahat can gamma radiation be stopped by

A

Lead

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Q

What is alpha radiation

A

Helium nucleus

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Q

What is beta radiation

A

Very fast electron

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Q

What is gamma radiation

A

Electromagnetic radiation

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Q

What is the ionising power of alpha

A

Very good

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Q

What id the ionising power of beta

A

Medium

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Q

Whats the ionising power of gamma

A

Relatively poor

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Q

What is the nature of alpha

A

Particle

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Q

What is the nature of beta

A

Particle

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Q

What is the nature of gamma

A

Wave

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Q

What is the elec charge of alpha

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A

+2

Q

What is the elec charge of beta

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A

-1

Q

What is the elec charge of gamma

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A

0

Q

Symbol of alpha

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A

a

Q

Symbol of beta

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A

B

Q

Symbol of beta

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A

β

Q

Symbol of gamma

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A

γ

Q

Name the 3 types of radioactivity

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A

Aplha, beta and gamma