Question

Two astronauts are floating close to each other in space.can they talk to each other without using any speacial device?Give reasons​

Answer 1

Answer:

Now, when the two astronauts are floating close to each other in space, without the use of any special device, they cannot talk to each other because there is vacuum between them. As there is vacuum, it means there are no molecules or particulate matter between them for the sound to travel.

Answer 2

Astronauts float in space because there is no gravity in space. So the gravity is so small. So Sound needs propagation to travel. In space, there is no medium so they cannot talk to each other. Because there is no vaccum