he put his freind in an air le chamber (with out a mask) and asked him if he could hear him. when his friend did not reply he knew that he did not hear hime or that he was dead.
Hope it helps!
Sound cannot travel through a vacuum.
The sound not travel through vacuum because sound need a medium to travel.
how electron move in vacuum and not move in air
No, sounds cannot travel through a vacuum. This is because sound requires a medium to travel through because it requires the vibration of particles to travel and there need to be particles to vibrate for it to travel through.
Vacuum
Light does travel through a vacuum.
No. Only light waves can travel through a vacuum.
Sound cannot travel through a vacuum.
The sound not travel through vacuum because sound need a medium to travel.
i think voice cannot travel through vacuum.
how electron move in vacuum and not move in air
No, sounds cannot travel through a vacuum. This is because sound requires a medium to travel through because it requires the vibration of particles to travel and there need to be particles to vibrate for it to travel through.
Vacuum
Yes, any electromagnetic wave can travel through a vacuum.
sound can't travel through a vacuum. or a place without air.
The vacuum becomes no longer a vacuum.
Sound cannot travel through vacuum, but unless there is sufficient insulation, sound might travel through the material the tube is made of.