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The principle stating that when two or more waves meet, the resultant displacement is the algebraic sum of their individual displacements is known as:
A. Principle of superposition
B. Principle of interference
C. Principle of diffraction
D. Principle of reflection
Answer: Principle of superposition
The phenomenon where a wave changes direction as it passes from one medium to another is known as:
A. Refraction
B. Reflection
C. Diffraction
D. Interference
Answer: Refraction
The point of minimum displacement from the equilibrium position in a wave is known as the:
A. Trough
B. Crest
C. Node
D. Antinode
Answer: Trough
The effect of light splitting into a spectrum of colors is called:
A. Dispersion
B. Refraction
C. Diffraction
D. Reflection
Answer: Dispersion
The point of maximum displacement from the equilibrium position in a wave is known as the:
A. Crest
B. Trough
C. Node
D. Antinode
Answer: Crest
The maximum displacement of a wave from its equilibrium position is called its:
A. Amplitude
B. Frequency
C. Wavelength
D. Period
Answer: Amplitude
The type of wave that involves oscillation perpendicular to the direction of wave propagation is called a:
A. Transverse wave
B. Longitudinal wave
C. Surface wave
D. Standing wave
Answer: Transverse wave
The wave property that determines how high or low a wave is from its equilibrium position is called its:
A. Amplitude
B. Frequency
C. Wavelength
D. Period
Answer: Amplitude
The phenomenon where the frequency of a wave changes due to the relative motion of the source and the observer is known as:
A. Doppler effect
B. Refraction
C. Diffraction
D. Interference
Answer: Doppler effect