At ……..point any material breaks.
a) elastic
b) inelastic
c) plastic
d) breaking
The SI unit of Young Modulus is ……..
a) N/m2
b) Pa
c) N/m
d) no units
Exercise:
A container having
volume of 6m3 is full with a liquid, having density of 30kg/m3.
The mass of the liquid is…….
a) 180kg
b) 24kg
c) 5kg
d) 0.2kg
Which of the
following cannot be used to measure pressure?
a) Atm
b) Pa
c) bar
d) kg/m3
Explanation: because kg/m3is the unit of density.
In which of the following state molecules do not leave
their positions?
a) Solid
b) liquid
c) gas
d) plasma