The speed of sound in air is
370 m/s
365m/s
344m/s
354m/s
The sound produced in the surrounding is collected in to our ear by
Pinna
Eardrum
Malleus
Incus
Ear has a thin membrane called
Stapes
SONAR is an acronym for
Surround Navigation And Ranging
Sound Navigation And Ranging
Sound Navigation And Radiation
Sound Navigation And Rotation
Which os the fllowing organism use ultrasound?
Owl
Crow
Bat
Cow
Which of the following is not a stringed instrument?
Mridangum
Sitar
Flute
Clarinet
Speed of sound is more in
Solids
Liquids
Gases
Equal speed in solids, liquids and gases
As sound waves are mechanical waves, they cannot travel through
Wood
Water
Vacuum
Glass
Which among the following can reduce reverberation?
Fibre board
Concrete
Smooth plactic board
Sound waves in air are
Transverse
Longitudinal
Stationary
Regular