Advertisements
Advertisements
प्रश्न
What is sound? What type of waves are sound wave in air?
Advertisements
उत्तर
Sound is a form of energy that makes us to hear. Sound waves are longitudinal waves in air.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
A sound is a form of energy.
Fill in the blank.
The number of times a body vibrates in one second is called its ______.
List four substances which are good absorbers of sound.
Which of the following can produce longitudinal waves as well as transverse waves under different conditions?
In fig. 2 two musical notes of the same pitch and same loudness are played on a violin and on a piano. Their wave forms are as shown in the diagram below. Explain why the wave patterns are different.
What causes sound?
Complete the following sentences :
Wave velocity = ________________ × wavelength.
Number of vibrations produced in one second is ______.
When a sound wave travels through air, the air particles ______.
Distinguish between compression and rarefactions.
