Punjab 9th Class Physics Model Paper 6 MCQs Test Online

Question 1 of 36

Physics

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

1.25 J

2.50 J

3.75J

4.125J

Question 1 of 36

Question 2 of 36

2. 1 MW is equal to:

1.10² W

2.10⁴W

3.10⁸W

4.10⁶W

Question 2 of 36

Question 3 of 36

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

1. Buoyant force

2. Pressure

3.Young’s modulus

4. Strain

Question 3 of 36

Question 4 of 36

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

1.74 cm

2.78 cm

3.76 cm

4.72 cm

Question 4 of 36

Question 5 of 36

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

1.power, work

2.energy, work

3.energy, power

4.work, momentum

Question 5 of 36

Question 6 of 36

6. Hydraulic press works on:

1.Archimedes Principle

2.Hooke’s Law

3.Pascal’s Law

4.Newton’s Law

Question 6 of 36

Question 7 of 36

7. The SI unit of density is:

1.kgm⁻³

2.gdm⁻³

3.gm⁻³

4.gcm⁻³

Question 7 of 36

Question 8 of 36

8. Which of the substance is the lighter one?

1.lead

2.aluminum

3.copper

4.mercury

Question 8 of 36

Question 9 of 36

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

1.1 Nm⁻²

2.10²Nm⁻²

3.1 Nm⁻²

4.10⁴ Nm⁻²

Question 9 of 36

Question 10 of 36

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

1.p gh

2.p gV

3.p gl

4.p ga

Question 10 of 36

Question 11 of 36

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

1.W = F x v

2.W = F x r

3.W = F x S

4.W = P x S

Question 11 of 36

Question 12 of 36

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

1. kinetic energy

2.potential energy

3.nuclear energy

4.chemical energy

Question 12 of 36

Question 13 of 36

13. Atmospheric pressure ______________ with altitude.

1. none of these

2.increase

3.decrease

4.remains same

Question 13 of 36

Question 14 of 36

14. Nm⁻² is a unit of:

1.force

2.power

3.pressure

4.mass

Question 14 of 36

Question 15 of 36

15. The energy in the stretched bow is:

1.Elastic P.E.

2.K.E.

3.Heat energy

4.Sound energy

Question 15 of 36

Question 16 of 36

16. 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

2.W = FS tan θ

3.W = FS cos θ

4.W = FS sin θ

Question 16 of 36

Question 17 of 36

17. 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.w < F

3.w = F

4.both B and C

Question 17 of 36

Question 18 of 36

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

1.1 m

2.11 m

3.2.5 m

4.0.5 m

Question 18 of 36

Question 19 of 36

19. Mercury is denser than water.

1.13 times

2. 13.6 times

3. 12.5 times

4.10 times

Question 19 of 36

Question 20 of 36

20. The ratio between stress and tensile strain is:

1.Young’s Modulus

2.Shear Modulus

3.Bulk Modulus

4.Elastic Modulus

Question 20 of 36

Question 21 of 36

21. The fourth state of matter is:

1.plasma

2.liquid

3. solid

4.gas

Question 21 of 36

Question 22 of 36

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

1.plasma

2.gas

3.liquid

4.solid

Question 22 of 36

Question 23 of 36

23. stress/strain = constant; is:

1.Pascal’s Law

2.Archimedes’s Principle

3.Hooke’s Law

4.Newton’s Law

Question 23 of 36

Question 24 of 36

24. In SI, the unit of density is:

1.kgm⁻¹

2.kgm⁻²

3.kgm

4.kgm⁻³

Question 24 of 36

Question 25 of 36

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

1.an intense weather

2.a pleasant weather

3.a storm and a rain

4.a poor weather

Question 25 of 36

Question 26 of 36

26. One horse power is equal to:

1.1100 W

2.1000 W

3.746 W

4.764 W

Question 26 of 36

Question 27 of 36

27. Density =

1. mass/(time )

2. (weight )/(mass )

3.mass/(volume )

4. weight/(volume )

Question 27 of 36

Question 28 of 36

28. 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?

1.866 Joules

2.5 Joules

3.86 Joules

4.707 Joules

Question 28 of 36

Question 29 of 36

29. 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 = mag

2.P = 2mgh

3.P = pgh

4.P = mgh

Question 29 of 36

Question 30 of 36

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

1.kgk⁻¹

2.kgm⁻³

3.Nm

4.Nm⁻²

Question 30 of 36

Question 31 of 36

31. Liquid pressure at depth “h” is:

1.pgh

2.pglh

3.pgh²

4.pgh³

Question 31 of 36

Question 32 of 36

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

1.energy

2.kinetic Energy

3.potential Energy

4.power

Question 32 of 36

Question 33 of 36

33. Mathematically % efficiency is defined as:

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

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

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

4.Efficiency % = work/time x 100

Question 33 of 36

Question 34 of 36

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

1.110,300 Pa

2.101,300 Pa

3. 103,100 Pa

4. 100,130 Pa

Question 34 of 36

Question 35 of 36

35. Power is equal to:

1.W/t²

2.W/t

3.W x t

4.W²/t

Question 35 of 36

Question 36 of 36

36. _________ works on Pascal’s law.

1.Hydraulic Press

2.Wedge

3. Screw Gauge

4.Vernier Callipers

Question 36 of 36

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