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# Punjab 9th Class Physics Model Paper 7 MCQs Test Online

 Total Question 36 Questions Total Marks 72 Marks Total Time 36 Minuts
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### Test Name

 Physics Model Paper 7

### Subject

 Physics (9th Class)

 MCQs

# Punjab 9th Class Physics Model Paper 7 MCQs Test Online

Question 1 of 36

## Physics

1. Which surface is best reflector of heat?
1.
2.
3.
4.

Question 1 of 36

Question 2 of 36

2. Which process produces cooling effect?

1.
2.
3.
4.

Question 2 of 36

Question 3 of 36

3. Complete the equation T(K) = ___________.

1.
2.
3.
4.

Question 3 of 36

Question 4 of 36

4. If ‘m’ and change in its specific heat, then its heat capacity is given by:

1.
2.
3.
4.

Question 4 of 36

Question 5 of 36

5. Reason of glider to remain in air is:
1.
2.
3.
4.

Question 5 of 36

Question 6 of 36

6. If a liquid of mass ‘m’ requires thermal energy ‘∆Qv’ to completely change into gas at its boiling point without any change in its temperature, then its latent heat of vaporization can be calculated as following:

1.
2.
3.
4.

Question 6 of 36

Question 7 of 36

7. The specific heat of water is:
1.
2.
3.
4.

Question 7 of 36

Question 8 of 36

8. Normal human body temperature is:

1.
2.
3.
4.

Question 8 of 36

Question 9 of 36

9. Which of the following material has large specific heat?

1.
2.
3.
4.

Question 9 of 36

Question 10 of 36

10. Unit of specific heat capacity in SI system is:

1.
2.
3.
4.

Question 10 of 36

Question 11 of 36

11. In symbols, co-efficient of volume expansion is defined as:
1.
2.
3.
4.

Question 11 of 36

Question 12 of 36

12. The ways by which transfer of heat takes place are:

1.
2.
3.
4.

Question 12 of 36

Question 13 of 36

13. Mercury is used as thermometric material because it has:

1.
2.
3.
4.

Question 13 of 36

Question 14 of 36

14. False ceiling is done to:
1.
2.
3.
4.

Question 14 of 36

Question 15 of 36

15. Specific heat of iron in joules per kilogram per Kelvin is:

1.
2.
3.
4.

Question 15 of 36

Question 16 of 36

16. Latent heat of fusion of 1 kg of ace at 0°C is:

1.
2.
3.
4.

Question 16 of 36

Question 17 of 36

17. In gases, heat is mainly transferred by:
1.
2.
3.
4.

Question 17 of 36

Question 18 of 36

18. Rooms are heated using gas heaters by:

1.
2.
3.
4.

Question 18 of 36

Question 19 of 36

19. Length of a rod is L₀ on temperature T₀. After heating up to temperature T, its length L becomes:

1.
2.
3.
4.

Question 19 of 36

Question 20 of 36

20. Celsius temperature is converted into Fahrenheit temperature using the formula:
1.
2.
3.
4.

Question 20 of 36

Question 21 of 36

21. Which of the following effects evaporation?

1.
2.
3.
4.

Question 21 of 36

Question 22 of 36

22. Water freezer at:

1.
2.
3.
4.

Question 22 of 36

Question 23 of 36

23. Absolute zero is equal to:

1.
2.
3.
4.

Question 23 of 36

Question 24 of 36

24. Specific heat of water is how many times greater than that of dry soil?

1.
2.
3.
4.

Question 24 of 36

Question 25 of 36

25. The specific heat of water is:

1.
2.
3.
4.

Question 25 of 36

Question 26 of 36

26. In solids, heat is transferred by:
1.
2.
3.
4.

Question 26 of 36

Question 27 of 36

27. Heat transfers through fluids by the method called:
1.
2.
3.
4.

Question 27 of 36

Question 28 of 36

28. Temperature of ice in freezer is:
1.
2.
3.
4.

Question 28 of 36

Question 29 of 36

29. Bimetallic strip works on the principle of:
1.
2.
3.
4.

Question 29 of 36

Question 30 of 36

30. Which gas is used in spite of Freon gas in refrigerator?

1.
2.
3.
4.

Question 30 of 36

Question 31 of 36

31. What happens to the thermal conductivity of a wall if its thickness is doubled?
1.
2.
3.
4.

Question 31 of 36

Question 32 of 36

32. Example of a bad conductor is:

1.
2.
3.
4.

Question 32 of 36

Question 33 of 36

33. If the mass of a body is ‘m’ and change in its temperature is ∆T, then the heat absorbed or released is given by:

1.
2.
3.
4.

Question 33 of 36

Question 34 of 36

34. Thermal conductivity of silver is:
1.
2.
3.
4.

Question 34 of 36

Question 35 of 36

35. Thermal conductivity of rubber is _________ Wm⁻¹K⁻¹.
1.
2.
3.
4.

Question 35 of 36

Question 36 of 36

36. On Celsius scale, 50°C is equal on Fahrenheit scale to:

1.
2.
3.
4.

Question 36 of 36

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