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प्रश्न
Can two person hear each other on moon’s surface ? Give reason to support your answer.
उत्तर
No, we cannot hear each other since sound requires medium for transmission. It cannot travel through vacuum.
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संबंधित प्रश्न
Sound can travel through ______.
In which medium sound travels faster : air or iron?
State one observation from everyday life which shows that sound travels much more slow than light.
When we open a gas tap of a few seconds, the sound of escaping gas is heard first but the smell of gas comes later. Why?
Describe in brief, with the aid of a lebelled diagram, an experiment to demonstrate that a material medium is necessary for propagation of sound.
A boy fires a gun and another boy at a distance hears the sound of fire 2.5s after seeing the flash. If the speed of sound in air 340 m/s, find distance between the boys.
Does the speed of sound in a gas depend on the pressure of the gas?
Can we hear sounds of frequencies:
Less than 20 Hz
State three characteristics of the medium required for the propagation of sound.
The amount of water vapour present in the air is known as ______.
