Physics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Physics, a fundamental topic in the field of General Knowledge. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Physics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Physics mcq questions that explore various aspects of Physics problems. Each MCQ is crafted to challenge your understanding of Physics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace General Knowledge tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Physics MCQs are your pathway to success in mastering this essential General Knowledge topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Physics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Physics knowledge to the test? Let's get started with our carefully curated MCQs!

Physics MCQs | Page 47 of 70

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Q461.
A rectangular block with base area A of 30 cm² and height h of 0.06 m is submerged in water of density 1000 kg m⁻³. What is the pressure due to the water acting on the top surface of the block?

a.

5 × 10² Pa

b.

3 × 10² Pa

c.

6 × 10² Pa

d.

10 × 10² Pa

Discuss
Answer: (c).6 × 10² Pa
Q462.
A rectangular block with base area A of 30 cm² and height h of 0.06 m is submerged in water of density 1000 kg m⁻³. What is the force exerted by the water acting on the top of the block?

a.

0.18 N

b.

1.8 N

c.

18 N

d.

180 N

Discuss
Answer: (b).1.8 N
Q463.
The mechanic is able to apply a smart effort to lift one side of the car for changing tyres with the help of

a.

hydraulic car jack

b.

screw gauge

c.

Vernier calipers

d.

cylinder

Discuss
Answer: (a).hydraulic car jack
Q464.
A 15 N force exerted on a small piston of area 0.025 m². The large piston has the area of 0.05 m². What is the pressure exerted on the liquid by the small piston?

a.

300 Pa

b.

600 Pa

c.

900 Pa

d.

120 Pa

Discuss
Answer: (b).600 Pa
Q465.
If a column of liquid of height is h, base area is A and density is p, then the volume V is given by

a.

V = Ah

b.

V = A/h

c.

V = h/A

d.

V = A + h

Discuss
Answer: (a).V = Ah
Q466.
The amount of pressure inside a body of liquid increases with its

a.

area

b.

height

c.

volume

d.

depth

Discuss
Answer: (d).depth
Q467.
A 15 N force exerted on a small piston of area 0.025 m². The large piston has the area of 0.05 m². What is the force exerted by the large piston on the load?

a.

500 N

b.

200 N

c.

300 N

d.

150 N

Discuss
Answer: (c).300 N
Q468.
(Height of column × density of liquid × gravitational field strength) is equal to

a.

capacity due to a liquid column

b.

depth due to a liquid column

c.

volume due to a liquid column

d.

pressure due to a liquid column

Discuss
Answer: (d).pressure due to a liquid column
Q469.
An enclosed body of liquid is able to transmit pressure that is unchanged to

a.

other parts of plasma

b.

other parts of the liquid

c.

other parts of the gas

d.

other parts of any solid

Discuss
Answer: (b).other parts of the liquid
Q470.
The system that helps a car driver to stop the car and to control the speed of the car he is driving is

a.

car hydraulic disc brake system

b.

car jack system

c.

car demotoralize system

d.

car mechanism system

Discuss
Answer: (a).car hydraulic disc brake system
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