Advertisements
Advertisements
प्रश्न
Fill in the blank with suitable word .
Sound waves are caused by ...................
Advertisements
उत्तर
Sound waves are caused by Vibrations.
APPEARS IN
संबंधित प्रश्न
Give two practical applications of reflection of sound waves.
How is ultrasound used for cleaning?
Name the three characteristics of sound.
How is an ultrasound scan for fetus (unborn baby) better than X-ray ?
What is the name of the device which is used to find the depth of sea (or ocean) by using ultrasonic sound waves ?
Fill in the blank with suitable word :
Pitch of sound depends on ....................
What is meant by the 'loudness' of sound ? On what factor does the loudness of a sound depend ?
How is it that bats are able to fly at night without colliding with other objects ?
Name an animal which navigates and finds food by ecolocation.
What type of waves are generated by SONAR device fixed to a fishing ship ?
