1. Which of these is a physical quantity that fully describes the position and direction of motion of a particle?
- Speed
- Mass
- Frequency
- Phase
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Answer: Option D. Phase
2. What type of oscillation can be described by a single harmonic function?
- Damped oscillation
- Forced oscillation
- Harmonic oscillation
- Random oscillation
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Answer: Option C. Harmonic oscillation
3. What is the phase of a vibrating particle at t = 0 known as?
- Epoch
- Final phase
- Period
- Terminal phase
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Answer: Option A. Epoch
4. Which of the following represents the angular frequency of a body?
- omega = 2pi/T
- theta = 2pi/T
- alpha = 2pi/T
- beta = 2pi/T
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Answer: Option A. omega = 2pi/T
5. What is the SI unit of frequency?
- Newton
- Hertz
- Joule
- Pascal
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Answer: Option B. Hertz