Advertisements
Advertisements
प्रश्न
In which medium sound travels faster : air or hydrogen?
Advertisements
उत्तर
Sound travels faster in hydrogen. Speed of sound in hydrogen is 1,284 m/s.
APPEARS IN
संबंधित प्रश्न
Describe with the help of a diagram, how compressions and rarefactions are produced in air near a source of sound.
Fill in the blank.
Sound can travel in a ______
Name the type of waves which are used by astronauts to communicate with one another on moon (or in outer space).
An electric bell is suspended by thin wires in a glass vessel and set ringing. Describe and explain what happens if the air is gradually pumped out of the glass vessel.
Why cannot a sound be heard on the moon? How do astronauts talk to one another on the surface of moon?
A body vibrating with a time-period of `1/256` s produces a sound wave which travels in air with a velocity of 350 m/s. Calculate the wavelength.
Fill in the blank and explain.
Sound does not travel through ______.
Give scientific reasons:
As the sound wave propagates from one place to the other in air, the air itself is not required to move from one place to the other.
Does the speed of sound in a gas depend on the pressure of the gas?
What are the requisites of the medium for the propagation of sound? Briefly, explain them.
