Oscillations and Waves MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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The SI unit of frequency is:
A. Hertz
B. Joule
C. Watt
D. Pascal
Answer: Hertz
When a wave passes from one medium to another and bends, this phenomenon is known as:
A. Refraction
B. Reflection
C. Diffraction
D. Interference
Answer: Refraction
The number of complete oscillations that occur per second is known as the wave’s:
A. Frequency
B. Wavelength
C. Amplitude
D. Period
Answer: Frequency
The amount of time it takes for a wave to travel one wavelength is known as its:
A. Period
B. Frequency
C. Wavelength
D. Amplitude
Answer: Period
The phenomenon where a wave spreads out as it passes through an opening or around an obstacle is called:
A. Diffraction
B. Refraction
C. Reflection
D. Interference
Answer: Diffraction
The amount of time a wave takes to complete one cycle is known as its:
A. Period
B. Frequency
C. Wavelength
D. Amplitude
Answer: Period
The phenomenon where the direction of a wave changes when it reflects off a surface is called:
A. Reflection
B. Refraction
C. Diffraction
D. Interference
Answer: Reflection
The property of a wave that determines its height is known as its:
A. Amplitude
B. Frequency
C. Wavelength
D. Period
Answer: Amplitude
The distance between two consecutive troughs or crests is known as the wave’s:
A. Wavelength
B. Frequency
C. Amplitude
D. Period
Answer: Wavelength