1) Which is the correct definition for longitudinal waves? a) Waves which move side to side b) Waves which oscillate perpendicular to the direction of energy transfer c) Waves which move up and down d) Waves which vibrate parallel to the direction of energy transfer 2) Which pair are examples of transverse waves? a) Seismic & Light b) Sound & P waves c) Light & S waves d) Sound & Light 3) What type of wave are ripples on the surface of water? a) Longitudinal b) P waves c) S waves d) Transverse 4) What is the speed of sound in air? a) 330m/s b) 3x108m/s c) 31m/s d) 250m/s 5) What is the speed of light in a vacuum? a) 300,000m/s b) 330m/s c) 3x108m/s d) 200,000,000m/s 6) What name is given to the apparatus in figure 1? a) Wave Machine b) Seisometer c) Ripple Tank d) Archimedes Tank 7) When measuring the speed of ripples travelling across the tank how do you identify wave peaks? a) Light fringes b) Dark fringes c) Top of the waves d) Bottom of the waves 8) How should your draw the normal line when investigating refraction? a) At 90° to the incident light b) At 90° to the surface c) At 45° to the incident light d) At 45° to the surface 9) What do you use to get a single beam of light? a) Torch & Slit b) Laser c) Ray Box & Filter d) Ray Box & Slit 10) What name is given to angle A? a) Angle of Incidence b) Angle of Reflection c) Angle of Refraction d) Angle of Emergence

Emerging - Waves & Refraction

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