Oscillations and Waves MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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The effect of a wave bending around an obstacle or through an opening is called:
A. Diffraction
B. Refraction
C. Reflection
D. Interference
Answer: Diffraction
The distance from one crest to the next crest of a wave is equal to the wave’s:
A. Wavelength
B. Frequency
C. Amplitude
D. Period
Answer: Wavelength
The number of cycles of a wave that pass a point per unit time is called the wave’s:
A. Frequency
B. Period
C. Wavelength
D. Amplitude
Answer: Frequency
The bending of waves as they pass through a medium with varying speed is known as:
A. Refraction
B. Reflection
C. Diffraction
D. Interference
Answer: Refraction
The principle stating that the amplitude of a wave is proportional to the energy it carries is known as:
A. Energy-amplitude relationship
B. Frequency-amplitude relationship
C. Wavelength-amplitude relationship
D. Speed-amplitude relationship
Answer: Energy-amplitude relationship
The distance between two consecutive crests or troughs of a wave is called the:
A. Wavelength
B. Frequency
C. Amplitude
D. Period
Answer: Wavelength
The speed of sound is fastest in:
A. Solids
B. Liquids
C. Gases
D. Vacuum
Answer: Solids
The phenomenon where waves overlap to form regions of high and low intensity is known as:
A. Interference
B. Diffraction
C. Refraction
D. Reflection
Answer: Interference
The point where the wave amplitude is maximum in a standing wave is called an:
A. Antinode
B. Node
C. Crest
D. Trough
Answer: Antinode