# Waves Unit Assessment

## QuizÂ by Theresa Williams

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30 questions
• Q1
Which type of wave requires a medium to travel through?
Transverse wave
Mechanical wave
Sound wave
Electromagnetic wave
30s
• Q2
Which type of wave moves the medium in a direction perpendicular to the wave's propagation?
Compressional wave
Transverse wave
Surface wave
Longitudinal wave
30s
• Q3
What 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
• Q4
What is the unit of measurement for the frequency of a wave?
Meters per second (m/s)
Hertz (Hz)
Watts (W)
Joules (J)
30s
• Q5
Which type of wave can travel through a vacuum?
Sound wave
Mechanical wave
Water wave
Electromagnetic wave
30s
• Q6
What is the phenomenon where two or more waves combine and form a new wave?
Wave reflection
Wave refraction
Wave diffraction
Wave interference
30s
• Q7
What property of a wave is determined by the distance between two consecutive points in phase?
Speed
Frequency
Wavelength
Amplitude
30s
• Q8
What happens to the speed of light as it moves from air into water?
It first decreases, then increases
It remains constant
It decreases
It increases
30s
• Q9
What property of a wave is represented by the amplitude?
The distance between two consecutive points in a wave
The time it takes for a wave to complete one full cycle
The maximum displacement from the equilibrium position
The speed at which a wave propagates through a medium
30s
• Q10
What is the relationship between the frequency and wavelength of a wave?
Direct
Exponential
Random
Inverse
30s
• Q11
What is the formula for calculating wave speed?
Wave speed = wavelength / frequency
Wave speed = frequency - wavelength
Wave speed = frequency x wavelength
Wave speed = amplitude x frequency
30s
• Q12
What is the phenomenon where two or more waves overlap and combine to form a new wave?
Diffraction
Interference
Reflection
Refraction
30s
• Q13
When light waves pass from air into a denser medium, what happens to their wavelength?
It increases
It decreases
It becomes infinite
It remains the same
30s
• Q14
What 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
• Q15
Which of the following factors does NOT affect the speed of a wave?
Amplitude
Frequency
Wavelength
Medium
30s

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