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प्रश्न
Rapid back and forth motion of a particle about its mean position is called _____.
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उत्तर
Rapid back and forth motion of a particle about its mean position is called vibrations.
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संबंधित प्रश्न
Fill in the blank.
The number of times a body vibrates in one second is called its ______.
What are wavelength, frequency, time period and amplitude of a sound wave?
Define sound ranging.
A sound wave of wavelength 1/3 m has a frequency 996 Hz. Keeping the medium same, if frequency changes to 1328 Hz. Calculate
- velcoity of sound
- new wavelength.
Through which medium sound travels faster, iron or water? Give reason.
Lightning can be seen the moment it occurs. Paheli observes lightning in her area. She hears the sound 5 s after she observed lightning. How far is she from the place where lightning occurs? (speed of sound = 330 m/s).
The speed of sound in air at 0°C is ______.
Assertion: The sound of thunder is heard a little later than the flash of light.
Reason: The speed of sound is much less than the speed of light.
