SECTION B : Write TRUE or FALSE in the space provided. [10 mks] 16. Magnetic materials can attract each other. True/False
17. A piece of magnetic material can be repelled can be repelled by a
magnet. True/False
18. A magnet can be demagnetized by heating it up or hitting it with
a hammer. True/False
19. The point at which the magnetic field of two similar poles of two
different magnets cancelled out is the line of force. True/False
20. The magnetic field of a bar magnet is strongest at the poles.
True/False
21. When a magnetic material is not magnetized, the domains are
pointing in lots of different directions. True/False
22. Colour filters absorb all the colours of light except the colour that
they transmit. True/False
23. Light is refracted 9 times when it passes through a prism.
True/False
24. When the angle of incidence is bigger than the critical angle, total
internal reflection occurs. True/False
25. When the rays of light travels from a denser medium to a less
dense medium, it speeds up. True/False

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