Prefixs & Units

Question 1

What prefix is used to represent x10 to the power +3 ?

Answer 1

kilo (k)

Question 2

What prefix is used to represent x10 to the power +6 ?

Answer 2

Mega (M)

Question 3

What prefix is used to represent x10 to the power +9 ?

Answer 3

Giga (G)

Question 4

What prefix is used to represent x10 to the power -3 ?

Answer 4

Milli (m)

Question 5

What prefix is used to represent x10 to the power -6 ?

Answer 5

Micro (μ)

Question 6

What prefix is used to represent x10 to the power -9 ?

Answer 6

Nano (n)

Question 7

What is the unit of “Distance”?

Answer 7

Meters (m)

Question 8

What is the unit of “Speed”?

Answer 8

Meters per second (m s ⁻¹)

Question 9

What is the unit of “Time”?

Answer 9

Seconds (s)

Question 10

What is the unit of “Displacement”?

Answer 10

Meters (m)

Question 11

What is the unit of “Acceleration”?

Answer 11

Meters per second squared (m s ⁻²)

Question 12

What is the unit of “Force”?

Answer 12

Newtons (N)

Question 13

What is the unit of “Mass”?

Answer 13

kilograms (kg)

Question 14

What is the unit of “gravitational field strength”?

Answer 14

Newtons per kilogram (N kg ⁻¹)

Question 15

What is the unit of “Acceleration due to gravity”?

Answer 15

Meters per second squared (m s ⁻²)

Question 16

What is the unit of “Work Done”?

Answer 16

Joules (J)

Question 17

What is the unit of “Gravitational potential energy”?

Answer 17

Joules (J)

Question 18

What is the unit of “Kinetic energy”?

Answer 18

Joules (J)

Question 19

What is the unit of “Charge”?

Answer 19

Coulombs (C)

Question 20

What is the unit of “Current”?

Answer 20

Amperes / Amps (A)

Question 21

What is the unit of “Voltage”?

Answer 21

Volts (V)

Question 22

What is the unit of “Resistance”?

Answer 22

Ohms (Ω)

Question 23

What is the unit of “Power”?

Answer 23

Watts (W)

Question 24

What is the unit of “Heat energy”?

Answer 24

Joules (J)

Question 25

What is the unit of "Specific heat capacity"?

Answer 25

Joules per kilogram per degree C ( J kg ⁻¹ °C ⁻¹)

Question 26

What is the unit of "Latent Heat"?

Answer 26

Joules per kilogram (J kg ⁻¹)

Question 27

What is the unit of "Pressure"?

Answer 27

Pascals (Pa)

Question 28

What is the unit of "Volume"?

Answer 28

Cubic meters ( m ³)

Question 29

What are the two units of "Temperature"?

Answer 29

1. Degrees Celcius (°C) 2. Kelvin (K)

Question 30

What is the unit of Frequency"?

Answer 30

Hertz (Hz)

Question 31

What is the unit of "Wavelength"?

Answer 31

Meters (m)

Question 32

What is the unit of "Period"?

Answer 32

Seconds (s)

Question 33

What is the unit of "Activity"?

Answer 33

Bequerels (Bq)

Question 34

What is the unit of "Absorbed dose"?

Answer 34

Grays (Gy)

Question 35

What is the unit of "Equivalent dose"?

Answer 35

Seiverts (Sv)

Question 36

What is the unit of "Equivalent dose rate"?

Answer 36

Seiverts per hour (Sv hr ⁻¹)