Oscillations and Waves MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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The number of oscillations or cycles per unit time is called the wave’s:
A. Frequency
B. Amplitude
C. Wavelength
D. Period
Answer: Frequency
The characteristic of a wave that determines how high or low the pitch is, is known as:
A. Frequency
B. Amplitude
C. Wavelength
D. Period
Answer: Frequency
The phenomenon where two waves combine to form a resultant wave with greater or lesser amplitude is called:
A. Interference
B. Diffraction
C. Refraction
D. Reflection
Answer: Interference
The phenomenon where waves spread out after passing through a small opening is called:
A. Diffraction
B. Refraction
C. Reflection
D. Interference
Answer: Diffraction
The property of a wave that determines its pitch is its:
A. Frequency
B. Amplitude
C. Wavelength
D. Period
Answer: Frequency
The change in direction of a wave as it passes through a medium with different density is called:
A. Refraction
B. Reflection
C. Diffraction
D. Interference
Answer: Refraction
The unit of measurement for wave amplitude is:
A. Meters
B. Hertz
C. Seconds
D. Joules
Answer: Meters
The effect of a wave bending around an obstacle is called:
A. Diffraction
B. Refraction
C. Reflection
D. Interference
Answer: Diffraction
The distance between two consecutive nodes or antinodes in a standing wave is equal to:
A. Half the wavelength
B. Wavelength
C. Frequency
D. Amplitude
Answer: Half the wavelength