Advertisements
Advertisements
प्रश्न
Why do astronauts talk to each other through radio telephone in space?
Advertisements
उत्तर
Sound can not travel through vacuum. There is no material medium in the space for propagation of sound. Hence astronauts talk to each other through radio telephone in space. In radio telephone, message of one astronauts reach to the other with the help of radio waves, which can travel through vacuum.
APPEARS IN
संबंधित प्रश्न
Describe a simple experiment which demonstrates that the sound produced by a tuning fork is due to vibrations of its arms.
What is a longitudinal wave? In which medium: solid, liquid or gas, can it be produced?
Describe an experiment to show that in wave motion, only energy is transferred, but particles of medium do not move.
How does the following factor affect, if at all, the speed of sound in air:
Pressure of air
How does the following factor affect, if at all, the speed of sound in air:
Moisture in air
Complete the following sentence :
A transverse wave is composed of crest and ____________.
The correct statement is :
Select the correct option:
The wavelength is the linear distance between the:
Can sound travel through vacuum?
How will the following factors affect the speed of sound in air:
Wind.
