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 32 of 70

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Q311.
The value of the pressure exerted by the layer of air at sea level is commonly referred to as

a.

2 atmosphere

b.

1 atmosphere

c.

half atmosphere

d.

1.5 atmosphere

Discuss
Answer: (b).1 atmosphere
Q312.
If the density of water is 1000 kg m⁻³, atmospheric pressure is 1.01 × 10⁵ and gravitational field strength is 10 N kg⁻¹.What is the pressure acting on a scuba diver when he is at the surface?

a.

3.01 × 10⁵

b.

2.01 × 10⁵

c.

1.01 × 10⁵

d.

10.01 × 10⁵

Discuss
Answer: (c).1.01 × 10⁵
Q313.
The pressure exerted by the layer of air at sea level is

a.

1.013 × 10⁵

b.

2.013 × 10⁵

c.

0.013 × 10⁵

d.

0.013 × 10⁵

Discuss
Answer: (a).1.013 × 10⁵
Q314.
If the density of water is 1000 kg m⁻³, atmospheric pressure is 1.01 × 10⁵ and gravitational field strength is 10 N kg⁻¹.What is the pressure acting on a scuba diver when he 10 m deep in the sea?

a.

10.01 × 10⁵

b.

1.01 × 10⁵

c.

3.01 × 10⁵

d.

2.01 × 10⁵

Discuss
Answer: (d).2.01 × 10⁵
Q315.
The layer of pressure exerts a pressure on Earth's surface, which is known as

a.

artificial pressure

b.

hydraulic pressure

c.

atmospheric pressure

d.

gaseous pressure

Discuss
Answer: (c).atmospheric pressure
Q316.
An instrument that uses the height of a mercury column to measure atmospheric pressure is known as

a.

thermometer

b.

manometer

c.

baroscope

d.

barometer

Discuss
Answer: (d).barometer
Q317.
1 atmosphere is almost equivalent to placing

a.

15 N weight on an area of 1 cm²

b.

20 N weight on an area of 1 cm²

c.

30 N weight on an area of 1 cm²

d.

10 N weight on an area of 1 cm²

Discuss
Answer: (d).10 N weight on an area of 1 cm²
Q318.
An instrument used to measure the differences in pressure of gases or liquids is known as

a.

thermometer

b.

manometer

c.

baroscope

d.

barometer

Discuss
Answer: (b).manometer
Q319.
The density of mercury is

a.

1.36 × 10³ kg m⁻³

b.

2.36 × 10³ kg m⁻³

c.

4.36 × 10³ kg m⁻³

d.

3.36 × 10³ kg m⁻³

Discuss
Answer: (a).1.36 × 10³ kg m⁻³
Q320.
A manometer containing mercury of density 1.36 × 10³ kg m⁻³ connected to a gas supply. What is the pressure of gas supply in cm Hg?

a.

54 cm Hg

b.

39 cm Hg

c.

81 cm Hg

d.

70 cm Hg

Discuss
Answer: (c).81 cm Hg
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