# 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. Example of a bad conductor is:

1.
2.
3.
4.

Question 1 of 36

Question 2 of 36

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

1.
2.
3.
4.

Question 2 of 36

Question 3 of 36

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

Question 3 of 36

Question 4 of 36

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

Question 4 of 36

Question 5 of 36

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

Question 5 of 36

Question 6 of 36

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

1.
2.
3.
4.

Question 6 of 36

Question 7 of 36

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

Question 7 of 36

Question 8 of 36

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

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

1.
2.
3.
4.

Question 10 of 36

Question 11 of 36

11. Rooms are heated using gas heaters by:

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2.
3.
4.

Question 11 of 36

Question 12 of 36

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

Question 12 of 36

Question 13 of 36

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

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2.
3.
4.

Question 13 of 36

Question 14 of 36

14. Which process produces cooling effect?

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2.
3.
4.

Question 14 of 36

Question 15 of 36

15. Which of the following effects evaporation?

1.
2.
3.
4.

Question 15 of 36

Question 16 of 36

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

1.
2.
3.
4.

Question 16 of 36

Question 17 of 36

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

Question 17 of 36

Question 18 of 36

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

1.
2.
3.
4.

Question 18 of 36

Question 19 of 36

19. The specific heat of water is:

1.
2.
3.
4.

Question 19 of 36

Question 20 of 36

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

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2.
3.
4.

Question 20 of 36

Question 21 of 36

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

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3.
4.

Question 21 of 36

Question 22 of 36

22. 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 22 of 36

Question 23 of 36

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

1.
2.
3.
4.

Question 23 of 36

Question 24 of 36

24. Absolute zero is equal to:

1.
2.
3.
4.

Question 24 of 36

Question 25 of 36

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

1.
2.
3.
4.

Question 25 of 36

Question 26 of 36

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

Question 26 of 36

Question 27 of 36

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

Question 27 of 36

Question 28 of 36

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

Question 28 of 36

Question 29 of 36

29. 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 29 of 36

Question 30 of 36

30. Normal human body temperature is:

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2.
3.
4.

Question 30 of 36

Question 31 of 36

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

Question 31 of 36

Question 32 of 36

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

Question 32 of 36

Question 33 of 36

33. Water freezer at:

1.
2.
3.
4.

Question 33 of 36

Question 34 of 36

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

1.
2.
3.
4.

Question 34 of 36

Question 35 of 36

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

Question 35 of 36

Question 36 of 36

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

Question 36 of 36

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