Question
What is vaccum? Explain why, sound cannot travel through vacuum?
What is vaccum? Explain why, sound cannot travel through vacuum?
Vacuum means empty space, region with no matter particles. Sound cannot travel through vacuum because vacuum has no molecules which can vibrate and carry sound waves.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
On which day, a hot day or a cold day, an echo is heard sooner? Give reason for your answer.
Describe various categories of diseases.
What are three main functional regions of the cell?