More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Physics English Medium Fsc Part 1 Chapter 11 Online MCQs Test MCQs With Answers
Question # 1
In thermodynamics system internal energy decrease by 100 J and 100 J of work done on the system then heat lost will be.
Choose an answer
Zero
100 J
200 J
-200 J
Previous
Skip
Next
Question # 2
Temperature of a gas is increased from 27 oC to 127 oC. The ratio of its mean K.E. will be
Choose an answer
3/4
9/16
4/3
10/9
Previous
Skip
Next
Question # 3
A diatomic gas molecules has
Choose an answer
Translational energy only
Rotational energy only
Vibrational energy only
All translational, Rotational and vibrational energy
Previous
Skip
Next
Question # 4
the change in internal energy is defined as
Choose an answer
Q - W
Q-T
Q + P
Q - P
Previous
Skip
Next
Question # 5
The difference between tow molar capacities is equal to.
Choose an answer
Plank's constant
General gas equation
Molar gas constant
Boltzmann constant
Previous
Skip
Next
Question # 6
For a gas obeying Boyle's Law, if the pressure is doubled, the volume becomes.
Choose an answer
Double
Three fold
One half
Remains the same
Previous
Skip
Next
Question # 7
Which is the process in which temperature of the system remains constant.
Choose an answer
Adiabatic process
Isochoric process
Isothermal process
Isobaric process
Previous
Skip
Next
Question # 8
A heat engine operates between the temperature 1000 K and 400 K, Its efficiency is.
Choose an answer
100%
70%
60%
50%
Previous
Skip
Next
Question # 9
A cycle of petrol engine undergoes
Choose an answer
Two process
Three process
Four process
single process
Previous
Skip
Next
Question # 10
The molecules of an ideal gas exert
Choose an answer
Force on each other
No force on each other
Large force on each other
Pressure on each other
Previous
Skip
Next
Question # 11
In the thermodynamics process , the equation W = -delta U represents.
Choose an answer
Isothermal expension
Isothermal compression
Adiabatic expansion
Adiabatic compression
Previous
Skip
Next
Back