P5.3.1 - Electromagnetic waves and matter Flashcards
1
Q
What happens when light goes from air into glass (another denser medium) at an angle?
A
It slows down and bends towards the normal
2
Q
Why are we able to use our television and mobile phones in our house?
A
Because walls transmit radio waves and microwaves, so your television and mobile phone work
3
Q
Why don’t we get sunburnt when we are inside a building?
A
Because walls absorb ultraviolet
