Topic 1-Working As A Physicist

Question 1

Give the prefixes in order of size from largest to smallest:

Answer 1

Tera
Giga
Mega
Kilo
Centi
Milli
Micro
Nano
Pico

Question 2

What is the power of tera?

Answer 2

X10 ^12

Question 3

What is the power of giga?

Answer 3

X10 ^9

Question 4

What is the power of mega?

Answer 4

X10 ^6

Question 5

What is the power of kilo?

Answer 5

X10 ^3

Question 6

What is the power of centi?

Answer 6

X10 ^-2

Question 7

What is the power of milli?

Answer 7

X10 ^-3

Question 8

What is the power of micro?

Answer 8

X10 ^-6

Question 9

What is the power of nano?

Answer 9

X10 ^-9

Question 10

What is the power of pico?

Answer 10

X10 ^-12

Question 11

What are the 7 base units?

Answer 11

• metres
• kilograms
• seconds
• amperes
• kelvin
• candela
• moles

Question 12

What is the derived unit for force?

Answer 12

Newton: kg m s^-2

Question 13

What is the derived unit for energy (work)?

Answer 13

Joule: kg m^2 s^-2

Question 14

What is the derived unit for power?

Answer 14

Watt: kg m^2 s^-3

Question 15

What is the derived unit for frequency?

Answer 15

Hertz: s^-1

Question 16

What is the derived unit for charge?

Answer 16

Coulomb: A s

Question 17

What is the derived unit for voltage?

Answer 17

Volt: kg m^2 s^-3 A^-1

Question 18

What is the derived unit for resistance?

Answer 18

Ohm: kg m^2 s^-3 A^-2