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The distance between two successive compressions or rarefactions in a longitudinal wave is called its:
A. Wavelength
B. Frequency
C. Amplitude
D. Period
Answer: Wavelength
The unit of measurement for wavelength is:
A. Meters
B. Seconds
C. Hertz
D. Joules
Answer: Meters
The change in direction of a wave when it reflects off a surface is known as:
A. Reflection
B. Refraction
C. Diffraction
D. Interference
Answer: Reflection
The phenomenon where light waves bend around obstacles or pass through small openings is called:
A. Diffraction
B. Refraction
C. Reflection
D. Interference
Answer: Diffraction
The principle that states the resultant amplitude of two overlapping waves is the algebraic sum of their individual amplitudes is called:
A. Principle of superposition
B. Principle of interference
C. Principle of diffraction
D. Principle of reflection
Answer: Principle of superposition
The angle between the incident wave and the normal is known as the angle of:
A. Incidence
B. Refraction
C. Reflection
D. Diffraction
Answer: Incidence
The angle between the refracted wave and the normal is known as the angle of:
A. Refraction
B. Incidence
C. Reflection
D. Diffraction
Answer: Refraction
The phenomenon where the amplitude of a wave is decreased due to the interaction of two or more waves is called:
A. Destructive interference
B. Constructive interference
C. Diffraction
D. Refraction
Answer: Destructive interference
The type of wave where particles move parallel to the direction of wave propagation is called a:
A. Longitudinal wave
B. Transverse wave
C. Surface wave
D. Standing wave
Answer: Longitudinal wave