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Punjab 9th Class Physics Model Paper 6 MCQs Test Online

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Question 1 of 36

Physics

1. Atmospheric pressure ______________ with altitude.

1.increase

2.remains same

3. none of these

4.decrease

Question 1 of 36

Question 2 of 36

2. 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 2 of 36

Question 3 of 36

3. 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 3 of 36

Question 4 of 36

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

1.a storm and a rain

2.an intense weather

3.a poor weather

4.a pleasant weather

Question 4 of 36

Question 5 of 36

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

1.11 m

2.2.5 m

3.0.5 m

4.1 m

Question 5 of 36

Question 6 of 36

6. Density =

1. weight/(volume )

2.mass/(volume )

3. mass/(time )

4. (weight )/(mass )

Question 6 of 36

Question 7 of 36

7. Mercury is denser than water.

1. 12.5 times

2. 13.6 times

3.13 times

4.10 times

Question 7 of 36

Question 8 of 36

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

1.kgm⁻³

2.Nm⁻²

3.Nm

4.kgk⁻¹

Question 8 of 36

Question 9 of 36

9. 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 9 of 36

Question 10 of 36

10. Which of the substance is the lighter one?

1.copper

2.aluminum

3.lead

4.mercury

Question 10 of 36

Question 11 of 36

11. 1 MW is equal to:

1.10⁶W

2.10⁸W

3.10² W

4.10⁴W

Question 11 of 36

Question 12 of 36

12. stress/strain = constant; is:

1.Hooke’s Law

2.Archimedes’s Principle

3.Newton’s Law

4.Pascal’s Law

Question 12 of 36

Question 13 of 36

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

1.energy

2.potential Energy

3.kinetic Energy

4.power

Question 13 of 36

Question 14 of 36

14. 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 = P x S

4.W = F x v

Question 14 of 36

Question 15 of 36

15. 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?

1.707 Joules

2.86 Joules

3.5 Joules

4.866 Joules

Question 15 of 36

Question 16 of 36

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

1.110,300 Pa

2. 100,130 Pa

3.101,300 Pa

4. 103,100 Pa

Question 16 of 36

Question 17 of 36

17. In SI, the unit of density is:

1.kgm⁻³

2.kgm

3.kgm⁻²

4.kgm⁻¹

Question 17 of 36

Question 18 of 36

18. 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 = 2mgh

2.P = pgh

3.P = mgh

4.P = mag

Question 18 of 36

Question 19 of 36

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

1.potential energy

2.nuclear energy

3. kinetic energy

4.chemical energy

Question 19 of 36

Question 20 of 36

20. Power is equal to:

1.W²/t

2.W x t

3.W/t

4.W/t²

Question 20 of 36

Question 21 of 36

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

1.Young’s modulus

2. Pressure

3. Strain

4. Buoyant force

Question 21 of 36

Question 22 of 36

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

1.energy, power

2.energy, work

3.work, momentum

4.power, work

Question 22 of 36

Question 23 of 36

23. Hydraulic press works on:

1.Hooke’s Law

2.Newton’s Law

3.Pascal’s Law

4.Archimedes Principle

Question 23 of 36

Question 24 of 36

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

1.72 cm

2.78 cm

3.74 cm

4.76 cm

Question 24 of 36

Question 25 of 36

25. The fourth state of matter is:

1.liquid

2.plasma

3.gas

4. solid

Question 25 of 36

Question 26 of 36

26. Nm⁻² is a unit of:

1.force

2.pressure

3.power

4.mass

Question 26 of 36

Question 27 of 36

27. The energy in the stretched bow is:

1.Heat energy

2.K.E.

3.Sound energy

4.Elastic P.E.

Question 27 of 36

Question 28 of 36

28. The SI unit of density is:

1.gcm⁻³

2.kgm⁻³

3.gdm⁻³

4.gm⁻³

Question 28 of 36

Question 29 of 36

29. One horse power is equal to:

1.764 W

2.1000 W

3.1100 W

4.746 W

Question 29 of 36

Question 30 of 36

30. Liquid pressure at depth “h” is:

1.pgh³

2.pgh

3.pglh

4.pgh²

Question 30 of 36

Question 31 of 36

31. 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 31 of 36

Question 32 of 36

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

1.p gh

2.p gV

3.p ga

4.p gl

Question 32 of 36

Question 33 of 36

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

1.both B and C

2.w < F

3.w > F

4.w = F

Question 33 of 36

Question 34 of 36

34. _________ works on Pascal’s law.

1.Hydraulic Press

2. Screw Gauge

3.Wedge

4.Vernier Callipers

Question 34 of 36

Question 35 of 36

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

1.liquid

2.gas

3.solid

4.plasma

Question 35 of 36

Question 36 of 36

36. The ratio between stress and tensile strain is:

1.Elastic Modulus

2.Bulk Modulus

3.Young’s Modulus

4.Shear Modulus

Question 36 of 36

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Test By Topics	9th Class Physics

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