1) Waves transfer energy but not ___________ a) force b) substance c) elements d) sound e) vibrations f) matter 2) Is this wave transverse of longitudinal? a) transverse b) longitudinal 3) In a transverse wave the vibrations move ___________ to the direction the wave is going a) sideways b) in the same direction c) perpendicular d) up and down e) back and forth 4) In a longitudinal wave the vibrations move _________ as the wave travels a) in the same direction b) perpendicular c) quickly d) slowly e) up and down 5) The _____________ is the distance between one point on a wave and the same point on the next wave a) Displacement b) Amplitude c) Wavelength d) Frequency e) Period f) Hertz 6) The _______________ is the maximum height of a wave (it maximum displacement) from its undisturbed position. a) displacement b) amplitude c) wavelength d) frequency e) period f) Hertz 7) The __________ is how many complete waves pass a point each second. a) wavelength b) period c) frequency d) amplitude e) displacement 8) The _________ is how long it takes one complete wave to pass a certain point. a) wavelength b) period c) frequency d) amplitude e) displacement 9) What is the unit of frequency? a) metres b) seconds c) watts d) hertz e) coulombs f) radians 10) What is the machine called that can show a sound wave as a graph on its screen a) facilitator b) oscillator c) oscilloscope d) riskometer e) magnetron f) coulombmeter 11) Which piece of apparatus should you use to investigate the speed of water waves? a) a measuring cylinder b) a ripple tank c) balance and weighing boat d) eureka can e) newtonmeter f) ammeter 12) What is the period of a wave that has a frequency of 5Hz? a) 0.1 s b) 0.2 s c) 2 s d) 5 s e) 0.5 s f) 8 s 13) In a ray diagram, what is the dotted line called that is at right angles to the boundary? a) the normal b) the proper c) the right d) the correct e) the real f) the virtual 14) What is the incoming ray called on a ray diagram? a) Impact ray b) intense ray c) integer ray d) incidence ray e) incident ray 15) When this beam is refracted does it bend towards the normal or away from the normal? a) towards b) away

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