1) How many waves are in the electromagnetic spectrum? a) 2 b) 5 c) 7 2) What is wave is use to treat cancer? a) gamma b) X-ray c) light 3) What wave is released from hot objects and used to see in the dark? a) light b) infra-red c) gamma 4) Which wave has the shortest wavelength? a) radiowave b) gamma c) X-ray 5) What wave can help to cook food? a) microwave b) radiowave c) X-ray 6) What wave can be used in detecting broken bones? a) light b) X-ray c) microwaves 7) What wave has the longest wavelength? a) gamma b) microwave c) radiowave 8) What is the correct order of the waves from longest to shortest wavelength? a) radiowave, gamma, X ray, visible, UV, microwave, infra-red b) radiowave, microwave, infra-red, visible, gamma, X ray, UV c) radiowave, microwave, infra-red, visible, UV, X ray, gamma 9) What wave is used for TV broadcasting a) radiowave b) gamma c) microwave 10) What do electromagnetic waves transfer? a) energy b) matter c) electricity 11) What type of wave are electromagnetic waves? a) Mexican b) Longitudinal c) Transverse 12) Which wave can you listen to music on? a) visible light b) radiowave c) infra-red 13) Which two waves can be used for sterilising hospital equipment? a) microwave b) infra-red c) gamma d) ultraviolet e) X-ray 14) Which wave is used as a security feature? a) infra-red b) ultraviolet c) X-ray 15) Select the correct wave that is used by mobile phones. a) microwave b) infra-red c) ultraviolet 16) Which wave do the police use to communicate which each other? a) ultraviolet b) microwave c) radiowave 17) What is the wave that the human eye can detect? a) infra-red b) visible light c) ultraviolet 18) Which wave does a remote control use? a) visible light b) X-rays c) infra-red 19) Satellite works because of.. a) gamma b) radiowave c) microwave 20) Which wave is responsible for super fast broadband? a) visible light b) radio c) microwave 21) What wave is used in tanning bed? a) ultraviolet b) gamma c) infra-red 22) Imaging is produced by ... a) infra-red b) visible light c) X-rays 23) What wave is used to see the inside of luggage at airport security? a) gamma b) visible light c) X-ray 24) What wave is used to harden dental fillings? a) infra-red b) microwave c) ultraviolet

EM waves

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