9
MCQ (Single Correct Answer)
What is SI unit of viscosity coefficient $(\eta)$ ?
A
Pascal
B
$\mathrm{Nsm}^{-2}$
C
$\mathrm{km}^{-2} \mathrm{~s}$
D
$\mathrm{Nm}^{-2}$
10
MCQ (Single Correct Answer)
Atmospheric pressures recorded in different cities are as follows
| Cities | Shimla | Bangalore | Delhi | Mumbai |
|---|---|---|---|---|
| p in N/m$$^2$$ | $$1.01\times10^5$$ | $$1.2\times10^5$$ | $$1.02\times10^5$$ | $$1.21\times10^5$$ |
Consider the above data and mark the place at which liquid will boil first.
A
Shimla
B
Bangalore
C
Delhi
D
Mumbai
11
MCQ (Single Correct Answer)
Which curve in figure represents the curve of ideal gas?
A
Only B
B
C and D
C
E and F
D
A and B
12
MCQ (Single Correct Answer)
Increase in kinetic energy can overcome intermolecular forces of attraction. How will the viscosity of liquid be affected by the increase in temperature?
A
Increase
B
No effect
C
Decrease
D
No regular pattern will be followed
13
MCQ (Single Correct Answer)
How does the surface tension of a liquid vary with increase in temperature?
A
Remains same
B
Decreases
C
Increases
D
No regular pattern is followed