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

Question 2 of 36

Question 3 of 36

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

Question 3 of 36

Question 4 of 36

4. The specific heat of water is:

1.
2.
3.
4.

Question 4 of 36

Question 5 of 36

5. Which process produces cooling effect?

1.
2.
3.
4.

Question 5 of 36

Question 6 of 36

6. Which of the following effects evaporation?

1.
2.
3.
4.

Question 6 of 36

Question 7 of 36

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

Question 7 of 36

Question 8 of 36

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

Question 8 of 36

Question 9 of 36

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

1.
2.
3.
4.

Question 9 of 36

Question 10 of 36

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

1.
2.
3.
4.

Question 10 of 36

Question 11 of 36

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

1.
2.
3.
4.

Question 11 of 36

Question 12 of 36

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

Question 12 of 36

Question 13 of 36

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

Question 13 of 36

Question 14 of 36

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

1.
2.
3.
4.

Question 14 of 36

Question 15 of 36

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

Question 15 of 36

Question 16 of 36

16. Normal human body temperature is:

1.
2.
3.
4.

Question 16 of 36

Question 17 of 36

17. 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 17 of 36

Question 18 of 36

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

Question 18 of 36

Question 19 of 36

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

Question 19 of 36

Question 20 of 36

20. Absolute zero is equal to:

1.
2.
3.
4.

Question 20 of 36

Question 21 of 36

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

Question 21 of 36

Question 22 of 36

22. 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 22 of 36

Question 23 of 36

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

1.
2.
3.
4.

Question 23 of 36

Question 24 of 36

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

1.
2.
3.
4.

Question 24 of 36

Question 25 of 36

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

1.
2.
3.
4.

Question 25 of 36

Question 26 of 36

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

1.
2.
3.
4.

Question 26 of 36

Question 27 of 36

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

1.
2.
3.
4.

Question 27 of 36

Question 28 of 36

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

1.
2.
3.
4.

Question 28 of 36

Question 29 of 36

29. Water freezer at:

1.
2.
3.
4.

Question 29 of 36

Question 30 of 36

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

1.
2.
3.
4.

Question 30 of 36

Question 31 of 36

31. Example of a bad conductor is:

1.
2.
3.
4.

Question 31 of 36

Question 32 of 36

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

Question 32 of 36

Question 33 of 36

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

1.
2.
3.
4.

Question 33 of 36

Question 34 of 36

34. Rooms are heated using gas heaters by:

1.
2.
3.
4.

Question 34 of 36

Question 35 of 36

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

Question 35 of 36

Question 36 of 36

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

Question 36 of 36

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