Physics Chapter 9 Transfer of Heat Mcqs Test Online Punjab 9th Class 

• <<
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• >>

 

Question 1 of 9

Physics

1. Which of the following is a good radiator of heat?

A white surface

A dull black surface

A shining silvered surface

A green coloured surface

Question 1 of 9

Question 2 of 9

2. False ceiling is done to:

Insulate the ceiling

Lower the height of ceiling

Keep the roof clean

Cool the room

Question 2 of 9

Question 3 of 9

3. In solids, heat is transferred by:

Conduction

Absorption

Radiation

Convection

Question 3 of 9

Question 4 of 9

4. Rooms are heated using gas heaters by:

Conduction only

Radiation only

Convection only

Convection and radiation

Question 4 of 9

Question 5 of 9

5. What happens to the thermal conductivity of a wall if its thickness is doubled?

Remains the same

Becomes one fourth

Becomes half

Becomes double

Question 5 of 9

Question 6 of 9

6. Metals are good conductors of heat due to the:

Rapid vibrations of their atoms

Free electrons

Big size of their molecules

Small size of their molecules

Question 6 of 9

Question 7 of 9

7. Land breeze blows from

Land to sea during night

Sea to land during the day

Sea to land during night

Land to sea during the day

Question 7 of 9

Question 8 of 9

8. In gases, heat is mainly transferred by

Convection

Radiation

Conduction

Molecular collision

Question 8 of 9

Question 9 of 9

9. Convection of heat is the process of heat transfer due to the:

Downward movement of molecules

Random motion of molecules

Upward movement of molecules

Free movement of molecules

Question 9 of 9

 Loading...

 

Other Related test

• Punjab 10th Class English Chapter 3 Try Again Mcqs Test Online
• Punjab 11th Class Biology Chapter 13 Gaseous Exchange Mcqs Test Online
• Punjab 10th Class English Chapter 11 Great Expectations Mcqs Test Online
• Punjab 10th Class Chemistry Chapter 2 Acid, Base and Salts Mcqs Test Online
• Punjab 10th Class Pak Study Chapter 3 Economic Development Mcqs Test Online
• Punjab 9th Class Biology Chapter 8 Nutrition Mcqs Test Online
• Punjab 10th Class English Chapter 1 Hazrat Muhammad (SAW) An Embodiment of Justice Mcqs Test Online
• Punjab 9th Class Biology Chapter 3 Biodiversity Mcqs Test Online
• Punjab 9th Class Urdu Model Paper 6 Mcqs Test Online
• Punjab 12th Class Physics Chapter 2 Current Electricity Mcqs Test Online