# Waves Unit Assessment

## QuizÂ by Theresa Williams

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30 questions

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- Q1Which type of wave requires a medium to travel through?Transverse waveMechanical waveSound waveElectromagnetic wave30s
- Q2Which type of wave moves the medium in a direction perpendicular to the wave's propagation?Compressional waveTransverse waveSurface waveLongitudinal wave30s
- Q3What is the formula to calculate the wavelength of a wave?$\lambda = \frac{v}{f}$$\lambda = v - f$$\lambda = v \imes f$$\lambda = \frac{f}{v}$30s
- Q4What is the unit of measurement for the frequency of a wave?Meters per second (m/s)Hertz (Hz)Watts (W)Joules (J)30s
- Q5Which type of wave can travel through a vacuum?Sound waveMechanical waveWater waveElectromagnetic wave30s
- Q6What is the phenomenon where two or more waves combine and form a new wave?Wave reflectionWave refractionWave diffractionWave interference30s
- Q7What property of a wave is determined by the distance between two consecutive points in phase?SpeedFrequencyWavelengthAmplitude30s
- Q8What happens to the speed of light as it moves from air into water?It first decreases, then increasesIt remains constantIt decreasesIt increases30s
- Q9What property of a wave is represented by the amplitude?The distance between two consecutive points in a waveThe time it takes for a wave to complete one full cycleThe maximum displacement from the equilibrium positionThe speed at which a wave propagates through a medium30s
- Q10What is the relationship between the frequency and wavelength of a wave?DirectExponentialRandomInverse30s
- Q11What is the formula for calculating wave speed?Wave speed = wavelength / frequencyWave speed = frequency - wavelengthWave speed = frequency x wavelengthWave speed = amplitude x frequency30s
- Q12What is the phenomenon where two or more waves overlap and combine to form a new wave?DiffractionInterferenceReflectionRefraction30s
- Q13When light waves pass from air into a denser medium, what happens to their wavelength?It increasesIt decreasesIt becomes infiniteIt remains the same30s
- Q14What is the main difference between a transverse wave and a longitudinal wave?Longitudinal waves travel faster than transverse waves.Longitudinal waves exhibit interference while transverse waves do not.Transverse waves oscillate perpendicular to the direction of wave propagation, while longitudinal waves oscillate parallel to the direction of wave propagation.Transverse waves have larger amplitudes than longitudinal waves.30s
- Q15Which of the following factors does NOT affect the speed of a wave?AmplitudeFrequencyWavelengthMedium30s