What is Frequency measured in?
Seconds
Hertz
Metres
Metres per second
A smaller gap causes a bigger diffraction
When light enters transparent material it:
Speeds up
Slows down
Stays the same
Changes Colour
Background Radiation is the Radiation around us.
Select two applications of Nuclear Radiation
Heating
Creating mechanical pencils
Sterilisation
Ink Cartridges for Printers
Cancer Treatment
Alpha radiation is not damaging inside the body
Activity of a Radioactive source is measured in:
Becquerels
The half life of the source
Radioactive Fallout
Frequency
What is the speed at which electromagnetic waves travel?
3x10 -8
3x10 8
3x10 10
3x10 -10
High Frequency waves have less energy than low frequency waves
what does this formula calculate v=f λ
Voltage
Speed
Amplitude
Time