Oscillations and Waves MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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The change in the direction of a wave when it enters a different medium is known as:
A. Refraction
B. Reflection
C. Diffraction
D. Interference
Answer: Refraction
The characteristic of a wave that determines how loud a sound is, is its:
A. Amplitude
B. Frequency
C. Wavelength
D. Period
Answer: Amplitude
The phenomenon where the amplitude of a wave decreases due to the overlap of waves is known as:
A. Destructive interference
B. Constructive interference
C. Diffraction
D. Refraction
Answer: Destructive interference
The distance from the equilibrium position to the crest or trough of a wave is its:
A. Amplitude
B. Frequency
C. Wavelength
D. Period
Answer: Amplitude
The phenomenon where the amplitude of a wave increases due to the overlap of waves is known as:
A. Constructive interference
B. Destructive interference
C. Diffraction
D. Refraction
Answer: Constructive interference
The number of waves that pass a point in one second is known as the wave’s:
A. Frequency
B. Amplitude
C. Wavelength
D. Period
Answer: Frequency
The point in a standing wave with the maximum displacement is called a:
A. Antinode
B. Node
C. Crest
D. Trough
Answer: Antinode
The time it takes for one complete wave cycle to pass a given point is called the wave’s:
A. Period
B. Frequency
C. Wavelength
D. Amplitude
Answer: Period
The point in a standing wave where there is no displacement is called a:
A. Node
B. Antinode
C. Crest
D. Trough
Answer: Node