Advertisements
Advertisements
प्रश्न
An earthquake produces which kind of sound before the mainshock wave begins
विकल्प
ultrasound
infrasound
audible sound
none of the above
उत्तर
infrasound
Explanation:
An earthquake produces infrasound before the mainshock wave begins.
APPEARS IN
संबंधित प्रश्न
What are wavelength, frequency, time period and amplitude of a sound wave?
Define the term intensity of a sound wave. State the unit in which it is measured.
What is the difference between a compression and a rarefaction in a sound wave? Illustrate your answer with a sketch.
What are longitudinal waves and transverse waves? Explain with the help of labelled diagrams.
Draw a displacement-distance graph of a wave and mark on it, the amplitude of wave by the letter 'a' and wavelength of wave by the letter λ.
How do the following factor affect the speed of sound in air?
Moisture in air.
What is a longitudinal wave?
Why does an empty vessel produce more sound than a filled one?
Longitudinal waves are produced in solids liquids and also in gases.
