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प्रश्न
Define time period.
Define the following term:
Time period
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उत्तर
The time period of a particle executing S.H.M. is the time taken to complete one cycle and is denoted by T.
संबंधित प्रश्न
How are the wavelength and frequency of a sound wave related to its speed?
| Column A | Column B |
| (a) Vibrations cause | (1) absorb sound |
| (b) A shriller sound is | (2) second |
| (c) Unit of frequency | (3) sound |
| (d) Unit of time period | (4) of high pitch |
| (e) Curtains | (5) hertz |
Write the audible range of frequency for the normal human ear.
Which wave property determines loudness?
What type of waves are illustrated by the movement of a rope whose one end is fixed to a pole and the other end is moved up and down?
Explain the terms 'compressions' and 'rarefactions' of a wave. What type of waves consist of compressions and rarefactions.
Explain the terms 'crests' and troughs' of a wave? What type of waves consist of crests and troughs?
What is a transverse wave? In which medium: solid, liquid or gas, can it be produced?
Define the term wave velocity. Write its S.I. unit.
Define sound ranging.
A medium is necessary for ______ of sound.
What cause sound? Why do we require a material medium for the transmission of sound?
High-frequency sounds that cannot be heard by you are called _______.
What is a longitudinal wave?
Draw a curve showing density or pressure variations with respect to distance for a disturbance produced by sound. Mark the position of compression and rarefaction on this curve. Also, define wavelengths and time periods using this curve.
A list of mediums is given below.
- wood
- water
- air
- vacuum
In which of these mediums can sound travel?
Which of the following statements are correct?
- Sound is produced by vibrations.
- Sound requires a medium for propagation.
- Light and sound both require a medium for propagation.
- Sound travels slower than light.
In longitudinal waves, the particle vibrates in a ______ direction of propagation.
