CHETANA PUBLICATION-SOUND-EXERCISE
- A wave disturbance in a medium has a wavelength of 0.002 m. Find the n...
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- A timing fork of frequency 340 Hz completes 100 vibrations, in air. Wh...
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- When a tuning fork of frequency 400 Hz completes 20 vibrations the dis...
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- A man standing between two parallel cliffsfires a gun and hearstwo ech...
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- Find the temperature at which the velocity of sound in air will be dou...
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- A sounding source has a frequency of 256 Hz. If the temperature of air...
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- The wavelength of a note is 3 m in air when the temperature is 17^@C. ...
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- The velocities of sound are measured in hydrogen and oxygen gases at a...
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- The speed limit for the vehicle on a road is 108 km//hr. A policeman d...
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- Choose the correct option? A sound carried by air from a sitar to a l...
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- Choose the correct option? When sound waves travel from air to water,...
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- Choose the correct option? The Laplace's correction in the expression...
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- Choose the correct option? Speed of sound is maximum in
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- Choose the correct option? The walls of the hall built for music conc...
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- Choose the correct option? The speed of sound in a perfectly rigid ro...
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- Choose the correct option? The increase in the speed of sound, on inc...
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- Choose the correct option? If the air pressure is doubled at constant...
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- Choose the correct option? The speed of a supersonic wave as compared...
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- Choose the correct option? The pitch of voice of a child is A. high...
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- Choose the correct option? Decibel is unit of
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