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 46 of 70

Discover more Topics under General Knowledge

Q451.
In stairs, each step has a height of 0.25 m and there are 8 steps altogether. If a boy runs up the flight of steps in 4 s and his weight is 390 N, what is his body's power?

a.

3900 W

b.

360 W

c.

244 W

d.

979 W

Discuss
Answer: (c).244 W
Q452.
Due to the gas molecules bombarding the walls of the container, the gases can exert

a.

stress

b.

power

c.

heat

d.

pressure

Discuss
Answer: (d).pressure
Q453.
When a gas is heated and its temperature rises, causing the gas molecules to move at

a.

lower speed

b.

constant slow speed

c.

zero speed

d.

higher speed

Discuss
Answer: (d).higher speed
Q454.
The pressure of a fixed mass of gas p is directly proportional to the

a.

area of gas

b.

temperature of gas

c.

volume of gas

d.

nature of gas

Discuss
Answer: (b).temperature of gas
Q455.
In symbols, where k is the constant, p is the pressure and V is the volume of gas, we can express the pressure of gas as

a.

p = k/V

b.

p = V/k

c.

p = k + V

d.

p = V - k

Discuss
Answer: (a).p = k/V
Q456.
In general, pressure of a fixed mass of gas p is inversely proportional to the

a.

area of gas

b.

nature of gas

c.

volume of gas

d.

temperature of gas

Discuss
Answer: (c).volume of gas
Q457.
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
Q458.
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
Q459.
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
Q460.
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
Page 46 of 70