Oscillations and Waves MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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The phenomenon where waves reflect off a surface and change direction is called:
A. Reflection
B. Refraction
C. Diffraction
D. Interference
Answer: Reflection
The phenomenon where a wave changes direction as it passes from one medium to another is called:
A. Refraction
B. Reflection
C. Diffraction
D. Interference
Answer: Refraction
The unit of measurement for the intensity of a wave is typically:
A. Watts per square meter
B. Joules
C. Hertz
D. Meters
Answer: Watts per square meter
The type of wave where particles of the medium move in circles is called a:
A. Surface wave
B. Transverse wave
C. Longitudinal wave
D. Mechanical wave
Answer: Surface wave
The lowest frequency of a periodic wave is called the:
A. Fundamental frequency
B. Harmonic frequency
C. Overtone
D. Resonant frequency
Answer: Fundamental frequency
The distance between a node and an adjacent antinode in a standing wave is equal to:
A. Quarter of the wavelength
B. Half of the wavelength
C. Wavelength
D. Double the wavelength
Answer: Quarter of the wavelength
The point where the wave function has its maximum value is called a:
A. Crest
B. Trough
C. Node
D. Antinode
Answer: Crest
In a wave equation, what does the symbol λ (lambda) represent?
A. Wavelength
B. Frequency
C. Amplitude
D. Period
Answer: Wavelength
The phenomenon of wave splitting into different frequencies is called:
A. Dispersion
B. Diffraction
C. Interference
D. Reflection
Answer: Dispersion