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

Answer

Hooke's materials

Answer

Elastic materials

Answer

Plastic materials

Answer

Rigid materials

Question 2

2. SI unit of pressure is:

Question 3

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

Answer

With depth only

Answer

Horizontally only

Answer

Both with depth and along horizontal direction

Answer

Neither with depth nor along horizontal direction

Question 4

4. 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 5

5. Hooke's law hold good up to:

Answer

Elastic limit

Answer

Yield limit

Answer

Proportional limit

Question 6

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

Answer

Electrical resistance

Question 7

7. 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 2m, diameter 2mm

Answer

Length 4m, diameter 0.5mm

Answer

Length 1m, diameter 1mm

Answer

Length 3m, diameter 3mm

Question 8

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

Answer

High temperature

Answer

Low pressure

Answer

Low temperature

Answer

High pressure

Question 9

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

Question 10

10. Which will exert greater pressure?

Answer

4000 kg elephant of total feet area 0.5m²

Answer

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

Answer

3 g needle of tip area 1mm²

Answer

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

Question 11

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

Answer

All have same density

Question 12

12. Pressure of 1 mm Hg is equal to:

Answer

1.316×10⁵atm

Answer

1.316×10⁻³atm

Answer

133.29 atm

Question 13

13. Energy stored in a stretched spring is:

Question 14

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

Question 15

15. The most elastic material of the following is:

Question 16

16. Pressure of 1000 m bars is equivalent to:

Question 17

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

Answer

density of liquid

Answer

depth of the point below the surface of the liquid

Answer

acceleration due to gravity

Answer

all of the above

Question 18

18. Pressure applied to an enclosed fluid is:

Answer

increased and applied to every part of the fluid

Answer

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

Answer

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

Answer

diminished and transmitted to the walls of container

Question 19

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

Answer

Sleeps on the ground

Answer

Sits on the ground

Answer

Stands on both feet

Answer

Stands on one leg

Question 20

20. Pressure of liquid in a container increase with:

Question 21

21. 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

245x10⁴Pa

Answer

4x10⁻⁴Pa

Answer

4x10⁻⁵Pa

Question 22

22. Atmospheric pressure is commonly measured using a:

Answer

Thermometer

Answer

Hygrometer

Question 23

23. 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

four times

Answer

one fourth

Question 24

24. The atmospheric pressure will be smaller at:

Question 25

25. 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 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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