Punjab 9th Physics Ch 6 Mechanical Properties of Matter Online Test Mcqs

Q: How can I prepare for Punjab 9th Physics Ch 6 Mechanical Properties of Matter Online Test Mcqs?

You can prepare for Punjab 9th Physics Ch 6 Mechanical Properties of Matter Online Test Mcqs by attempting the free online quizzes at Gotest.com.pk. We provide instant results, performance reports, and detailed explanations for every question.

Question 1

1. Pressure of 1000 m bars is equivalent to:

Question 2

2. The pressure at any point in a liquid is proportional to:

Answer

all of the above

Answer

depth of the point below the surface of the liquid

Answer

acceleration due to gravity

Answer

density of liquid

Question 3

3. Which amount of water has greater density at room temperature?

Answer

All have same density

Question 4

4. Pressure of 1 mm Hg is equal to:

Answer

133.29 atm

Answer

1.316×10⁻³atm

Answer

1.316×10⁵atm

Question 5

5. Atmospheric pressure is commonly measured using a:

Answer

Hygrometer

Answer

Thermometer

Question 6

6. The pressure exerted by a man on the surface of earth will be smaller when he:

Answer

Stands on both feet

Answer

Stands on one leg

Answer

Sits on the ground

Answer

Sleeps on the ground

Question 7

7. Divers wear special suites in order to protect them from:

Answer

Low pressure

Answer

Low temperature

Answer

High temperature

Answer

High pressure

Question 8

8. Materials which does not regain its original shape after removal of the load producing deformation are termed as:

Answer

Elastic materials

Answer

Plastic materials

Answer

Hooke's materials

Answer

Rigid materials

Question 9

9. The atmospheric pressure will be smaller at:

Question 10

10. SI unit of pressure is:

Question 11

11. What is mass of a liquid of density 50 kgm⁻³ in a container of volume 5m³?

Question 12

12. Pressure applied to an enclosed fluid is:

Answer

transmitted unchanged to every portion of the fluid and walls of containing vessel

Answer

increased and applied to every part of the fluid

Answer

diminished and transmitted to the walls of container

Answer

increased in proportional to the mass of fluid and then transmitted to each part of the fluid

Question 13

13. What is the force exerted by the atmosphere on a rectangular block surface of length 50cm and breadth 40 cm? The atmospheric pressure is 100 kPa.

Question 14

14. The most elastic material of the following is:

Question 15

15. Two metal plates of area 2 and 3 square meters are placed in a liquid at the same depth. The ratio of pressures on the two plates is:

Question 16

16. A wire is stretched by a weight w. If the diameter of the wire is reduced to half of its previous value, the extension will become:

Answer

one fourth

Answer

four times

Question 17

17. A girl of mass 50 kg wears heels with an area of 2 cm² in contact with the ground. The pressure she exerts on ground is:

Answer

4x10⁻⁵Pa

Answer

245x10⁴Pa

Answer

4x10⁻⁴Pa

Question 18

18. Four wires of the same material are stretched by the same load. Their dimensions are given below. Which of them will elongate most?

Answer

Length 1m, diameter 1mm

Answer

Length 3m, diameter 3mm

Answer

Length 2m, diameter 2mm

Answer

Length 4m, diameter 0.5mm

Question 19

19. In a stationary fluid, the local pressure of the fluid vary:

Answer

Neither with depth nor along horizontal direction

Answer

Horizontally only

Answer

With depth only

Answer

Both with depth and along horizontal direction

Question 20

20. Which will exert greater pressure?

Answer

4000 kg elephant of total feet area 0.5m²

Answer

3 g needle of tip area 1mm²

Answer

A girl of mass 40 kg wearing high heel shoes of cross-sectional area 0.5cm²

Answer

A loaded ship of mass 2.2 x 10⁷kg having area 600mm²

Question 21

21. Pressure of liquid in a container increase with:

Question 22

22. Hooke's law hold good up to:

Answer

Yield limit

Answer

Proportional limit

Answer

Elastic limit

Question 23

23. Which of the following physical properties is used in a mercury thermometer?

Answer

Electrical resistance

Question 24

24. A mass of 2 kg is hung by spring, which displaces it through 5 cm. the spring constant is:

Question 25

25. Energy stored in a stretched spring is:

Question 26

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Class	9th Class
Chapter	Chapter 6: Mechanical Properties of Matter
Board	Punjab Board
Test Type	MCQs Test
Total Questions	25 MCQs
Time Allowed	30 Minutes

Punjab 9th Physics Ch 6 Mechanical Properties of Matter Online Test Mcqs

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