Oscillations and Waves MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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The distance between two consecutive compressions or rarefactions in a longitudinal wave is called the wave’s:
A. Wavelength
B. Frequency
C. Amplitude
D. Period
Answer: Wavelength
The change in direction of a wave at the boundary of a medium is called:
A. Reflection
B. Refraction
C. Diffraction
D. Interference
Answer: Reflection
The time it takes for a wave to travel one wavelength is known as the wave’s:
A. Period
B. Frequency
C. Amplitude
D. Speed
Answer: Period
The phenomenon where waves spread out after passing through a small opening is known as:
A. Diffraction
B. Refraction
C. Reflection
D. Interference
Answer: Diffraction
The frequency of a wave is related to its wavelength by the equation:
A. Speed = Frequency × Wavelength
B. Speed = Wavelength / Frequency
C. Speed = Frequency / Wavelength
D. Speed = Amplitude × Wavelength
Answer: Speed = Frequency × Wavelength
The effect where waves overlap and combine to form a new wave pattern is called:
A. Interference
B. Diffraction
C. Refraction
D. Reflection
Answer: Interference
The speed of a wave is equal to the product of its:
A. Frequency and Wavelength
B. Amplitude and Frequency
C. Wavelength and Period
D. Amplitude and Wavelength
Answer: Frequency and Wavelength
The rate at which a wave’s energy is transferred is called its:
A. Power
B. Amplitude
C. Frequency
D. Wavelength
Answer: Power
The point in a wave where the displacement is zero is known as a:
A. Node
B. Antinode
C. Crest
D. Trough
Answer: Node