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Punjab 9th Class Physics Model Paper 6 MCQs Test Online

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Question 1 of 36

Physics

1. Liquid pressure at depth “h” is:

1.pglh

2.pgh

3.pgh²

4.pgh³

Question 1 of 36

Question 2 of 36

2. Density =

1.mass/(volume )

2. weight/(volume )

3. mass/(time )

4. (weight )/(mass )

Question 2 of 36

Question 3 of 36

3. Which of the substance is the lighter one?

1.aluminum

2.lead

3.copper

4.mercury

Question 3 of 36

Question 4 of 36

4. A crate is moved by pulling the rope attached to it. It moves 10 m on straight horizontal road by a force of 100 N. How much work will be done when the rope is making an angle of 30° with the road?

1.86 Joules

2.707 Joules

3.5 Joules

4.866 Joules

Question 4 of 36

Question 5 of 36

5. Power is equal to:

1.W/t²

2.W/t

3.W²/t

4.W x t

Question 5 of 36

Question 6 of 36

6. At sea level, the height of mercury column in mercury barometer is approximately:

1.72 cm

2.78 cm

3.76 cm

4.74 cm

Question 6 of 36

Question 7 of 36

7. The ability of a body to do work is known as:

1.energy

2.kinetic Energy

3.power

4.potential Energy

Question 7 of 36

Question 8 of 36

8. The SI unit of density is:

1.gm⁻³

2.gdm⁻³

3.gcm⁻³

4.kgm⁻³

Question 8 of 36

Question 9 of 36

9. In System International, the unit of pressure i:

1.Nm⁻²

2.kgk⁻¹

3.Nm

4.kgm⁻³

Question 9 of 36

Question 10 of 36

10. stress/strain = constant; is:

1.Pascal’s Law

2.Newton’s Law

3.Hooke’s Law

4.Archimedes’s Principle

Question 10 of 36

Question 11 of 36

11. At sea level, the atmospheric pressure is about:

1.101,300 Pa

2.110,300 Pa

3. 100,130 Pa

4. 103,100 Pa

Question 11 of 36

Question 12 of 36

12. The fourth state of matter is:

1.gas

2.liquid

3. solid

4.plasma

Question 12 of 36

Question 13 of 36

13. If a force F makes an angle θ with the direction of motion of the force, then the formula for the work done will be:

1.W = FS sin θ

2.W = FS cos θ

3.W = FS

4.W = FS tan θ

Question 13 of 36

Question 14 of 36

14. SI unit of pressure is Pascal, which is equal to:

1.1 Nm⁻²

2.10⁴ Nm⁻²

3.10²Nm⁻²

4.1 Nm⁻²

Question 14 of 36

Question 15 of 36

15. In which of following state molecule do not leave their position?

1.solid

2.liquid

3.gas

4.plasma

Question 15 of 36

Question 16 of 36

16. One horse power is equal to:

1.764 W

2.746 W

3.1000 W

4.1100 W

Question 16 of 36

Question 17 of 36

17. Hydraulic press works on:

1.Pascal’s Law

2.Hooke’s Law

3.Archimedes Principle

4.Newton’s Law

Question 17 of 36

Question 18 of 36

18. The force exerted perpendicularly on unit area of an object is called:

1. Buoyant force

2. Pressure

3. Strain

4.Young’s modulus

Question 18 of 36

Question 19 of 36

19. In SI, the unit of density is:

1.kgm⁻²

2.kgm⁻³

3.kgm

4.kgm⁻¹

Question 19 of 36

Question 20 of 36

20. What will be the magnitude of work is a force of 25N pulls a stone through a distance of 5 m in its direction?

1.125J

2.25 J

3.50 J

4.75J

Question 20 of 36

Question 21 of 36

21. If a body is at a depth of ‘h’ from the liquid surface of density ‘p’ then the liquid pressure ‘p’ on that body is:

1.P = pgh

2.P = mag

3.P = 2mgh

4.P = mgh

Question 21 of 36

Question 22 of 36

22. The ratio between stress and tensile strain is:

1.Elastic Modulus

2.Bulk Modulus

3.Young’s Modulus

4.Shear Modulus

Question 22 of 36

Question 23 of 36

23. 1 MW is equal to:

1.10⁴W

2.10⁶W

3.10⁸W

4.10² W

Question 23 of 36

Question 24 of 36

24. _________ works on Pascal’s law.

1.Vernier Callipers

2.Wedge

3. Screw Gauge

4.Hydraulic Press

Question 24 of 36

Question 25 of 36

25. If ‘w’ is the weight of the body and ‘F’ is the up thrust of liquid, then the body will float if:

1.w = F

2.both B and C

3.w < F

4.w > F

Question 25 of 36

Question 26 of 36

26. Nm⁻² is a unit of:

1.force

2.mass

3.pressure

4.power

Question 26 of 36

Question 27 of 36

27. Mercury is denser than water.

1. 12.5 times

2.10 times

3.13 times

4. 13.6 times

Question 27 of 36

Question 28 of 36

28. Atmospheric pressure ______________ with altitude.

1.increase

2.decrease

3. none of these

4.remains same

Question 28 of 36

Question 29 of 36

29. The energy possessed by a body by virtue of its motion is called:

1.nuclear energy

2. kinetic energy

3.chemical energy

4.potential energy

Question 29 of 36

Question 30 of 36

30. The energy in the stretched bow is:

1.K.E.

2.Sound energy

3.Elastic P.E.

4.Heat energy

Question 30 of 36

Question 31 of 36

31. A minor but sudden fall in atmospheric pressure is followed by:

1.a poor weather

2.a pleasant weather

3.an intense weather

4.a storm and a rain

Question 31 of 36

Question 32 of 36

32. Which pair of physical quantities has same SI unit?

1.power, work

2.energy, power

3.energy, work

4.work, momentum

Question 32 of 36

Question 33 of 36

33. If W stands for work, F stands for force and S stands for displacement, then mathematically work is defined as:

1.W = F x r

2.W = F x S

3.W = F x v

4.W = P x S

Question 33 of 36

Question 34 of 36

34. What should be the approximate length of a glass tube to construct a water barometer?

1.1 m

2.2.5 m

3.11 m

4.0.5 m

Question 34 of 36

Question 35 of 36

35. The up thrust force of a liquid is equal to:

1.p ga

2.p gl

3.p gh

4.p gV

Question 35 of 36

Question 36 of 36

36. Mathematically % efficiency is defined as:

1.Efficiency % = (input energy)/(output energy) x 100

2.Efficiency % = work/time x 100

3.Efficiency % = (required form or input)/(total output energy) x 100

4.Efficiency % = (required form or input)/(total input energy) x 100

Question 36 of 36

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Test By Topics	9th Class Physics

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