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The point where the wave amplitude is zero in a standing wave is called a:
A. Node
B. Antinode
C. Crest
D. Trough
Answer: Node
The phenomenon where waves bend around the edges of an obstacle is known as:
A. Diffraction
B. Refraction
C. Reflection
D. Interference
Answer: Diffraction
The principle stating that the resultant amplitude of two overlapping waves is the 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 bending of light as it enters a medium with a different refractive index is known as:
A. Refraction
B. Reflection
C. Diffraction
D. Interference
Answer: Refraction
The interaction of waves that results in a change of direction or bending is known as:
A. Refraction
B. Reflection
C. Diffraction
D. Interference
Answer: Refraction
The type of wave that involves oscillation in the same direction as the wave propagation is called a:
A. Longitudinal wave
B. Transverse wave
C. Surface wave
D. Standing wave
Answer: Longitudinal wave
The process by which a wave bounces back after striking a surface is called:
A. Reflection
B. Refraction
C. Diffraction
D. Interference
Answer: Reflection
The phenomenon where light waves are separated into their constituent colors is known as:
A. Dispersion
B. Refraction
C. Diffraction
D. Reflection
Answer: Dispersion
The distance from one crest to the next crest or from one trough to the next trough is the wave’s:
A. Wavelength
B. Frequency
C. Amplitude
D. Period
Answer: Wavelength