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Q8: TV remote controls use _ radiation.
Q9: Match each item with the correct statement
Q10: What does "IR" stand for?<br>A)ultraviolet<br>B)muon neutrino<br>C)high frequency<br>D)infrared
Q11: The radio waves used to communicate with
Q12: What makes an ordinary bar magnet magnetic?<br>A)Electrons
Q14: An electric motor can be manually turned
Q15: A magnetic field is created by an
Q16: FM radio only operates in the frequency
Q17: Match each item with the correct statement
Q18: An iron nail is brought near a