Oscillations and Waves MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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The phenomenon where a wave spreads out after passing through a slit is called:
A. Diffraction
B. Refraction
C. Reflection
D. Interference
Answer: Diffraction
The frequency of a wave is the number of:
A. Cycles per second
B. Meters per second
C. Seconds per cycle
D. Wavelengths per meter
Answer: Cycles per second
The point of zero displacement in a transverse wave is called a:
A. Node
B. Antinode
C. Crest
D. Trough
Answer: Node
The point of maximum displacement in a transverse wave is called a:
A. Crest
B. Trough
C. Node
D. Antinode
Answer: Crest
The phenomenon of a wave changing speed when passing from one medium to another is called:
A. Refraction
B. Reflection
C. Diffraction
D. Interference
Answer: Refraction
The frequency of a wave is given by the reciprocal of its:
A. Period
B. Wavelength
C. Amplitude
D. Speed
Answer: Period
A wave that travels along the surface of a medium is called a:
A. Surface wave
B. Longitudinal wave
C. Transverse wave
D. Mechanical wave
Answer: Surface wave
When light waves pass through a small slit and spread out, this phenomenon is known as:
A. Diffraction
B. Refraction
C. Reflection
D. Interference
Answer: Diffraction
The number of wavelengths that pass a point in one second is known as the:
A. Frequency
B. Wavelength
C. Amplitude
D. Period
Answer: Frequency