Advertisements
Advertisements
प्रश्न
Two astronauts are floating close to each other in space. Can they talk to each other without using any special device? Give reasons.
Advertisements
उत्तर
No, they cannot talk to each other without using any special device because there is no medium in space and sound needs medium to travel.
APPEARS IN
संबंधित प्रश्न
How does the wave pattern of a loud note differ from that of a soft note? Draw a diagram.
Comment on the statement 'loudness of sound is a subjective quantity, while intensity is an objective quantity.
Name the unit used to measure the sound level.
Name the characteristic of the sound affected due to a change in its amplitude.
By reducing the amplitude of a sound wave, its ______.
The bells of a temple are big in size. Why?
The loudness of sound depends on
Does any part of our body vibrate when we speak? Name the part.
An alarm bell is kept inside a vessel as shown in the following figure. A person standing close to it can distinctly hear the sound of alarm. Now, if the air inside the vessel is removed completely, how will the loudness of alarm get affected for the same person?
Loudness equal to (or) greater than ______ can be painful to the ear.
