# Energy And Waves: Question Preview (ID: 31257)

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 Two general forms of energy are a) potential and kinetic energy b) chemical and kinetic energy c) potential and thermal energy d) chemical and thermal energy When a spring is compressed, its __________________ energy is increased a) potential b) kinetic c) thermal d) mechanical Which of the following is the best example of mechanical energy? a) Roasting a marshmallow b) powering up a computer c) Digesting food d) Hitting a nail Which of the following is the best example of electrical energy a) Digesting food b) hitting a nail c) powering up a computer d) roasting a marshmallow In the electromagnetic spectrum wavelengths increase as they move from blue to red a) True b) False c) d) Red light waves have the longest wavelength a) True b) False c) d) Which state of matter does sound travel through the fastest? a) solid b) liquid c) gas d) We see color in objects because of a) reflection b) refraction c) absorption d) diffraction A pen or pencil in a glass of water is an example of a) Absorption b) Refraction c) diffraction d) reflection If a wave has a low amplitude it is probably very tall. a) False b) True c) d) A longer wavelength means the crests are further apart from one another a) False b) True c) d) The higher the frequency the closer together the waves are (the shorter the wavelength) a) True b) False c) d) The two types of waves we studies are transverse and? a) Transgression b) Longitudinal c) Refractory d) Long If the frequency of a wave is 20 Hz and the wavelength is 4nm, what is the wave speed? a) 5 b) 4 c) 20 d) 80 12 waves pass by a stationary point in 6 seconds. What is the frequency a) 4Hz b) 1Hz c) 2Hz d) 12Hz What is the distance from one crest to the next on a transverse wave? a) amplitude b) wavelength c) crest d) Trough What is the distance from resting or baseline to the farthest point away from it on a particular wave? a) Amplitude b) crest c) trough d) wavelength What is the lowest point on a transverse wave called? a) amplitude b) crest c) wavelength d) trough What is the highest point of a transverse wave called? a) crest b) amplitude c) trough d) wavelength If a skiers potential energy is 20 J at the top of the hill, how much kinetic energy do they have at the bottom? a) 7.5J b) 0J c) 20J d) 15J
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