Curriculum
Course: Igcse Physics
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Curriculum

Igcse Physics

1. Motion, Forces and Energy

0/161 Dr Dabour Hub Science Diagram and Course Material

2. Thermal Physics

0/75 Dr Dabour Hub Science Diagram and Course Material

3. Waves

0/77 Dr Dabour Hub Science Diagram and Course Material

4. Electricity and Magnetism

0/119 Dr Dabour Hub Science Diagram and Course Material

5. Nuclear Physics

0/39 Dr Dabour Hub Science Diagram and Course Material

6. Space Physics

0/47 Dr Dabour Hub Science Diagram and Course Material
Quiz

5.2.7 Dangers of Radiation – Check yourself

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1.
Ionising radiation is harmful because it can
heat food
make the body magnetic
charge the body
damage DNA in cells
2.
Which is most dangerous if swallowed?
Beta emitter
Alpha emitter
Gamma emitter
All the same
3.
Why are sources handled with tongs?
To increase distance from the hands
To keep them warm
To make them stronger
To block gamma rays
4.
Which is NOT a way to reduce dose?
Reducing the time of exposure
Increasing the distance
Using shielding
Standing close to the source
5.
A dose of 6 microsieverts per hour for 4 hours gives a total dose of
1.5
24
10
6
6.
Long-lived radioactive waste is best
burned
thrown away
sealed and stored deep underground
diluted in rivers
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