Sound is a mechanical wave, meaning it needs a medium (solid, liquid, or gas) to propagate. Unlike electromagnetic waves, it cannot travel in a vacuum because it requires particle vibrations to transmit energy.
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- Physics 10 MCQ
- Show that a vibrating mass-spring system performs simple harmonic motion. What is its time period? On what factors does it depend?
- Explain the following terms for SHM: Vibration, amplitude, time period, frequency.
- Explain that a steel ball dropped from the edge of a shining bowl performs SHM.
- What is a simple pendulum? Show that a vibrating simple pendulum performs SHM. What is the formula for the time period of a simple pendulum? On what factors does it depend?
- Explain the process of damping. Differentiate between damped and undamped oscillations.
- Define the term wave. Explain it with the help of an example. Differentiate between mechanical waves and electromagnetic waves.
- Define transverse waves. Discuss its motion with the help of an example. Also define the following terms for transverse waves: Crest, Trough, Wavelength, Frequency, and Time Period.
- Define longitudinal waves. Discuss its motion with the help of an example. Also define the following terms for longitudinal waves: Rarefaction, Compression, Wavelength.
- Derive the formula for the speed of waves () relating speed, frequency, and wavelength.
- Show that frequency and time period of waves are inverse of each other.
- What is a ripple tank? Describe its construction and working. Use a ripple tank to study reflection, refraction, and diffraction of water waves.
- Why does the acceleration of a simple pendulum increase as it moves away from the equilibrium position?
- What is the difference between frequency and time period of a wave?
- Why does a simple pendulum have a longer time period on the Moon than on Earth?
- How does damping affect oscillatory motion?
- What is the significance of wave speed in a medium?
- Physics 10 Short Questions and Answers
- Sound
- Sound-NFE