1) What is the unit of frequency? a) Hertz (Hz) b) Newton (N) c) Joule (J) 2) Which wave type is sound? a) Transverse b) Longitudinal c) Electromagnetic 3) What does amplitude measure? a) Wave speed b) Wave height c) Wave length 4) What is the speed of light? a) 300,000 km/s b) 150,000 km/s c) 500,000 km/s 5) What is the formula for wave speed? a) Frequency x Wavelength b) Mass x Acceleration c) Force x Distance 6) Which wave can travel through a vacuum? a) Sound b) Light c) Water 7) What is the wavelength? a) Distance between peaks b) Height of wave c) Speed of wave 8) What type of wave is light? a) Longitudinal b) Transverse c) Mechanical 9) What is refraction? a) Bending of waves b) Reflection of waves c) Absorption of waves 10) What does frequency measure? a) Number of waves b) Wave height c) Wave speed

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