Free Printable Units and Measurements

1.

The random error can be reduced by ..........

a)

taking more number of observations

b)

eliminating error

c)

not taking more care

d)

none of these

2.

Identify the pair whose dimensions are equal

a)

Force and work

b)

Pressure and energy

c)

Force and pressure

d)

Work and energy

3.

Which of the following is dimensionless ?

a)

force/acceleration

b)

velocity/ acceleration

c)

volume / area

d)

energy/ word

4.

Which of the following is a derived physical quantity ?

a)

mass

b)

velocity

c)

length

d)

time

5.

Unit of momentum is ?

a)

$\frac{kg\ m}{s}$

b)

$kgm^2$

c)

$\frac{kg\ m}{s^2}$

d)

none of these

6.

If time T, acceleration A and force F are regarded as base units, then dimensional formula of work is

a)

$\left[FA\right]$

b)

$\left[FAT\right]$

c)

$\left[FAT^2\right]$

d)

$\left[FA^2T\right]$

7.

SI unit of pressure is............

a)

Pascal

b)

$\frac{N}{m^2}$

c)

Both 1 and 2

d)

npne of these

8.

Dyne-sec is the unit of ...........

a)

momentum

b)

force

c)

work

d)

work

9.

$relative\ error\times100\%\ =\ ?$

a)

absolute error

b)

precise error

c)

mode error

d)

percentage error

10.

How many significant figures are there in 30100?

a)

1

b)

3

c)

5

d)

7

Units and Measurements

Total questions: 10

Worksheet time: 8mins

Similar Resources on Wayground