Punjab 9th Class Physics Model Paper 6 MCQs Test Online

Question 1 of 36

Physics

1. The energy in the stretched bow is:

1.Elastic P.E.

2.Heat energy

3.K.E.

4.Sound energy

Question 1 of 36

Question 2 of 36

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

1.110,300 Pa

2. 103,100 Pa

3. 100,130 Pa

4.101,300 Pa

Question 2 of 36

Question 3 of 36

3. _________ works on Pascal’s law.

1. Screw Gauge

2.Hydraulic Press

3.Vernier Callipers

4.Wedge

Question 3 of 36

Question 4 of 36

4. The SI unit of density is:

1.gcm⁻³

2.gdm⁻³

3.gm⁻³

4.kgm⁻³

Question 4 of 36

Question 5 of 36

5. 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 5 of 36

Question 6 of 36

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

1. Strain

2. Buoyant force

3. Pressure

4.Young’s modulus

Question 6 of 36

Question 7 of 36

7. 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

2.5 Joules

3.707 Joules

4.866 Joules

Question 7 of 36

Question 8 of 36

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

1.78 cm

2.74 cm

3.76 cm

4.72 cm

Question 8 of 36

Question 9 of 36

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

1.energy, power

2.power, work

3.energy, work

4.work, momentum

Question 9 of 36

Question 10 of 36

10. Mathematically % efficiency is defined as:

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

2.Efficiency % = work/time x 100

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

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

Question 10 of 36

Question 11 of 36

11. The ratio between stress and tensile strain is:

1.Bulk Modulus

2.Shear Modulus

3.Elastic Modulus

4.Young’s Modulus

Question 11 of 36

Question 12 of 36

12. One horse power is equal to:

1.1000 W

2.1100 W

3.764 W

4.746 W

Question 12 of 36

Question 13 of 36

13. Hydraulic press works on:

1.Pascal’s Law

2.Hooke’s Law

3.Newton’s Law

4.Archimedes Principle

Question 13 of 36

Question 14 of 36

14. In SI, the unit of density is:

1.kgm⁻¹

2.kgm

3.kgm⁻³

4.kgm⁻²

Question 14 of 36

Question 15 of 36

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

1.p gV

2.p gh

3.p ga

4.p gl

Question 15 of 36

Question 16 of 36

16. Nm⁻² is a unit of:

1.pressure

2.mass

3.power

4.force

Question 16 of 36

Question 17 of 36

17. Which of the substance is the lighter one?

1.mercury

2.copper

3.lead

4.aluminum

Question 17 of 36

Question 18 of 36

18. Mercury is denser than water.

1. 13.6 times

2.10 times

3. 12.5 times

4.13 times

Question 18 of 36

Question 19 of 36

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

1.10²Nm⁻²

2.1 Nm⁻²

3.10⁴ Nm⁻²

4.1 Nm⁻²

Question 19 of 36

Question 20 of 36

20. Liquid pressure at depth “h” is:

1.pgh²

2.pglh

3.pgh

4.pgh³

Question 20 of 36

Question 21 of 36

21. stress/strain = constant; is:

1.Archimedes’s Principle

2.Hooke’s Law

3.Pascal’s Law

4.Newton’s Law

Question 21 of 36

Question 22 of 36

22. Atmospheric pressure ______________ with altitude.

1.remains same

2.increase

3.decrease

4. none of these

Question 22 of 36

Question 23 of 36

23. 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 23 of 36

Question 24 of 36

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

1.1 m

2.0.5 m

3.2.5 m

4.11 m

Question 24 of 36

Question 25 of 36

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

1.nuclear energy

2. kinetic energy

3.potential energy

4.chemical energy

Question 25 of 36

Question 26 of 36

26. The fourth state of matter is:

1. solid

2.plasma

3.liquid

4.gas

Question 26 of 36

Question 27 of 36

27. 1 MW is equal to:

1.10⁴W

2.10² W

3.10⁸W

4.10⁶W

Question 27 of 36

Question 28 of 36

28. Density =

1.mass/(volume )

2. (weight )/(mass )

3. weight/(volume )

4. mass/(time )

Question 28 of 36

Question 29 of 36

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

1.liquid

2.gas

3.solid

4.plasma

Question 29 of 36

Question 30 of 36

30. Power is equal to:

1.W x t

2.W/t²

3.W/t

4.W²/t

Question 30 of 36

Question 31 of 36

31. 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 31 of 36

Question 32 of 36

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

1.50 J

2.75J

3.25 J

4.125J

Question 32 of 36

Question 33 of 36

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

1.power

2.potential Energy

3.energy

4.kinetic Energy

Question 33 of 36

Question 34 of 36

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

1.kgk⁻¹

2.Nm⁻²

3.kgm⁻³

4.Nm

Question 34 of 36

Question 35 of 36

35. 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 = mgh

3.P = pgh

4.P = 2mgh

Question 35 of 36

Question 36 of 36

36. 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 cos θ

2.W = FS tan θ

3.W = FS sin θ

4.W = FS

Question 36 of 36

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