Contents

At ……..point any material breaks.
a) elastic               

b) inelastic
c) plastic                                               

d) breaking

d

The SI unit of Young Modulus is ……..
a) 
N/m2                                 

b) Pa
c) N/m                                  

d) no units

a



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

a



Which of the following cannot be used to measure pressure?
a) Atm                                  
b) Pa
c) bar                                    
d)
kg/m3

d

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

a