Free Printable Units and dimensions 1

1.

The number of base units are:

a)

two

b)

five

c)

seven

d)

nine

e)

ten

2.

Which of the following is a derived quantity?

a)

Force

b)

Mass

c)

Length

d)

Time

e)

Temperature

3.

The number of supplementary units are

a)

two

b)

five

c)

seven

d)

nine

e)

ten

4.

Which of the following is SI base unit?

a)

Gram

b)

Pound

c)

Newton

d)

kilogram

e)

kilometer

5.

Which one of the following is not a unit of length?

a)

Angstrom

b)

Micron

c)

Radian

d)

Light year

e)

Astronomical unit

6.

Which is not a base unit in SI units?

a)

Kilogram

b)

Joule

c)

Coulomb

d)

Ampere

e)

Kelvin

7.

An example of a derived unit is

a)

Kilogram

b)

Joule

c)

Coulomb

d)

Ampere

e)

Kelvin

8.

Candela is the SI unit of

a)

Charge

b)

Luminous intensity

c)

Power

d)

Refractive index

e)

Amount of substance

9.

An alternate unit to kg m s^‑1is

a)

J

b)

N

c)

J s^-1

d)

N m^‑2

e)

N s

10.

The SI unit of plane angle is

a)

Steradian

b)

Radian

c)

Degree

d)

Candela

e)

Candela

11.

SI unit of pressure is

a)

N

b)

N A^-2

c)

N m

d)

N m^-2

e)

Pa

12.

The SI units of pressure in terms of base units are

a)

kg m s

b)

kg m^-1 s^-1

c)

kg m^-1 s

d)

kg m s^-1

e)

kg m^-1 s^-2

13.

The dimension of force is

a)

MLT^-1

b)

ML^-1T^-1

c)

ML^-1 T^-2

d)

ML² T^-2

e)

ML T^-2

14.

A light year is a unit for

a)

Distance

b)

Time period

c)

Velocity

d)

Time

e)

Duration

15.

ML^-1 T^-2is the dimension of

a)

Force

b)

power

c)

Pressure

d)

Energy

e)

Momentum

16.

Which of the following is least multiple:

a)

Pico

b)

Nano

c)

Femto

d)

Atto

e)

micro

17.

Which one is the highest power multiple?

a)

giga

b)

kilo

c)

mega

d)

deca

e)

peta

18.

The prefix pico is equal to

a)

10^-6

b)

10^-9

c)

10^-12

d)

10^-15

e)

10^-18

19.

Angstum is

a)

10¹⁰ m

b)

10¹² m

c)

10^-12 m

d)

10^-10 m

e)

10^-9 m

20.

Micron is

a)

10^-6 m

b)

10^-9 m

c)

10^-12 m

d)

10^-10 m

e)

10^-15 m

Units and dimensions 1

Total questions: 20

Worksheet time: 9mins

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