Two astronauts are floating close to each other in space. Can
they talk to each other without using any special device? Give
reasons.
NCERT Class VIII
Science - Exemplar Problems
Chapter 13. Sound
Answers
Answered by
109
No, there is vacuum in space and sound cannot travel in vacuum.
They need special equipments to talk.
Main reason is that sound does not travels in a vacuum.
Space is a vacuum and they need some special device for making the chat in much more efficient manner in the space.
Answered by
27
because sound do not travel in vacuum so astronauts use a specific device
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