Topic 1-Working As A Physicist Flashcards
1
Q
Give the prefixes in order of size from largest to smallest:
A
Tera Giga Mega Kilo Centi Milli Micro Nano Pico
2
Q
What is the power of tera?
A
X10 ^12
3
Q
What is the power of giga?
A
X10 ^9
4
Q
What is the power of mega?
A
X10 ^6
5
Q
What is the power of kilo?
A
X10 ^3
6
Q
What is the power of centi?
A
X10 ^-2
7
Q
What is the power of milli?
A
X10 ^-3
8
Q
What is the power of micro?
A
X10 ^-6
9
Q
What is the power of nano?
A
X10 ^-9
10
Q
What is the power of pico?
A
X10 ^-12
11
Q
What are the 7 base units?
A
- metres
- kilograms
- seconds
- amperes
- kelvin
- candela
- moles
12
Q
What is the derived unit for force?
A
Newton: kg m s^-2
13
Q
What is the derived unit for energy (work)?
A
Joule: kg m^2 s^-2
14
Q
What is the derived unit for power?
A
Watt: kg m^2 s^-3
15
Q
What is the derived unit for frequency?
A
Hertz: s^-1