Science revision cards-Nuclear physics

Nuclear physics-P2

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  • Created by: Rowan
  • Created on: 01-10-10 17:31

1. Question

In a nuclear reactor the neutrons are slowed down by the..............?

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1. Answer

Moderator

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1. Question

A chain..........happens in a nuclear reactor and a nuclear weapon?

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2.Answer

Reaction

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3.Question

An alpha particle consists of............protons and .............neutrons?

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3.Answer

2 protons

2 neutrons

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4.Question

Nuclear fusion happens when two...........collide and fuse together and form a ...............?

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4.Answer

Atoms

Nucleus

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Comments

Rocio

what are moderators?

Sim Hau Wei

what are protons?

Rocio

The proton is a subatomic particle with a positive electric charge of 1 elementary charge. One or more protons are present in the nucleus of each atom, along with neutrons.

Sim Hau Wei

Well neutron moderator is a medium that reduces the velocity of fast neutrons

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