Program Stream AG #1 Physics IGCSE 2020
Example 4
Zero the counter to ignore background radiation. Place GM counter on the left of
the aluminium sheet. Take reading. Then place to the right. Take reading. Subtract
both readings in order to find the amount of particles absorbed by the aluminium.
There will be little or no beta particles passing through the aluminium.
101
Example 5 Program Stream AG #1 Physics IGCSE 2020
A
B
C
A. The positive alpha particles are repelled by the positive nucleus
B. The alpha particles are deflcted by the solid nucleus which is positive
102
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PHYSICS IGCSE REVISION GUIDE FOR CANDIDATES MRSM AG 2020
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