WorksheetsUnits
Total questions: 15
Worksheet time: 9mins
__?__.
Convert 54,000 mm to km
0.054 km
0.54 km
5.4 km
54 km
109 W =
MW
GW
TW
PW
which one is not a unit of time ?
leap year
light year
second
millenium
Name the physical quantity which is measured in light year.
time
distance
mass
luminosity
10-9 second =
1 ns
1 ms
1micro second
1 Gs
1 nanometre = ________ Angstrom
10-1
10
0.1
1
The fundamental unit is
pascal
mol
newton
hertz
The size of a bacteria is 1 μ (micro). find the number of bacteria in 1 mm.
106
103
109
10-3
The wavelenght of light is 5000 Angstrom unit. measure it in nanometre.
5000
50
50000
500
Mass of a Helium atom is 4. find its mass in kg.
6.64
4
6.64 x 10-27
6.64 x 10-24
Which is the correct statement ?
symbol of unit can be written as m , kg , A , N , J , ns
unit of work - Nm or joule
5 seconds = 5ss
J / s = Joule / second
what is the meaning of the statement, ' distance between a star and earth is 8.33 light minutes'.
earth is 8.33 minutes away from the star
star is 8.33 light years away from earth
light from star takes 8.33 minutes to reach earth
distance travelled by light in one minute is 8.33 km
Name the physical quantity derived from work / time.
energy
power
torque
electric potential
