Oscillations and Waves MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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The distance between two successive crests or troughs of a wave is the:
A. Wavelength
B. Frequency
C. Amplitude
D. Period
Answer: Wavelength
The time required for one complete cycle of a wave is known as the:
A. Period
B. Frequency
C. Wavelength
D. Amplitude
Answer: Period
The distance from the midpoint of a wave to its peak is called the:
A. Amplitude
B. Wavelength
C. Frequency
D. Period
Answer: Amplitude
The frequency of a wave increases when the wavelength:
A. Decreases
B. Increases
C. Remains the same
D. Becomes zero
Answer: Decreases
The term used to describe the direction in which a wave travels is:
A. Wavefront
B. Ray
C. Amplitude
D. Frequency
Answer: Ray
The relationship between the speed (v), frequency (f), and wavelength (λ) of a wave is given by:
A. v = f × λ
B. v = λ / f
C. v = f / λ
D. v = λ × f
Answer: v = f × λ
The term for the bending of waves around obstacles is:
A. Diffraction
B. Refraction
C. Reflection
D. Interference
Answer: Diffraction
When two waves meet and cancel each other out, this is an example of:
A. Destructive interference
B. Constructive interference
C. Diffraction
D. Refraction
Answer: Destructive interference
When two waves meet and the resultant wave is of greater amplitude, this is an example of:
A. Constructive interference
B. Destructive interference
C. Diffraction
D. Refraction
Answer: Constructive interference