P6-waves Flashcards
1
Q
Name 7 parts of the electromagnetic spectrum
A
Radio Micro Inferred Visible Uv X-ray Gamma
2
Q
Use for x-ray
A
To see broken bones
3
Q
Use for microwaves
A
Communication, heating , Satellites and cooking
4
Q
Which parts of the EM spectrum are ionising?
A
Gamma
X-ray
Uv
5
Q
Why is ionising radiation harmful?
A
Damages cells which can lead to cancer
6
Q
Which parts of the EM spectrum cause heating effects?
A
Inferred
Microwaves
7
Q
Use for gamma rays
A
Treat cancer
8
Q
Why is too much gamma radiation harmful?
A
It can damage useful cells
9
Q
What is the formula for speed?
A
Distance / time
10
Q
Units for speed
A
M/S
11
Q
What’s the formula for acceleration?
A
Change in speed / time
12
Q
What’s the unit for acceleration
A
M/S 2
13
Q
Name types of forces
A
Friction
Gravity
Air resistant
Magnetic
