9th Class Physics Chapter 1 MCQs with Answers

Welcome to the 9th Class Physics Chapter 1 MCQs Practice and Quiz Tests. We are presenting you with top MCQ questions from the 9th Class Physics Chapter 1 Physical Quantities and Measurement.

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9th Class Physics Chapter 1 Online Quiz

By presenting 3 options to choose from, 9th Class Chapter 1 Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of 9th Class Questions and Answers and click over the correct answer.

• Test Name: 9th Class Chapter 1 Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure high marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply comment below this post, so that we can update the answer in the quiz section.

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9th Class Physics Chapter 1: Physical Quantities and Measurement

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1 / 40

What is the SI unit of magnetic flux?

Weber

Gauss

Tesla

2 / 40

What is the speed of light in a vacuum?

Approximately 4.00 x 10⁸ meters per second

Approximately 3.00 x 10⁸ meters per second

Approximately 2.00 x 10⁸ meters per second

3 / 40

What is the SI unit of luminous intensity?

Watt

Lux

Candela

4 / 40

What is the SI unit of length?

Second

Kilogram

Meter

5 / 40

What is the SI unit of frequency?

Hertz

Joule

Watt

6 / 40

Which instrument is used to measure electric resistance?

Voltmeter

Ammeter

Ohmmeter

7 / 40

What is the formula for Ohm's Law?

R = V/I

I = V × R

V = I × R

8 / 40

What is the volume of a cube with sides measuring 2 centimeters each?

2 cm³

4 cm³

8 cm³

9 / 40

Which instrument is used to measure atmospheric pressure?

Barometer

Hydrometer

Thermometer

10 / 40

What is the SI unit of power?

Watt

Ampere

Joule

11 / 40

What is the volume of a cylinder with a radius of 3 centimeters and a height of 5 centimeters?

47.12 cm³

141.37 cm³

94.25 cm³

12 / 40

How many milliliters are in one liter?

100

10

1000

13 / 40

What is the SI unit of luminous flux?

Lumen

Candela

Lux

14 / 40

What is the SI unit of capacitance?

Ohm

Coulomb

Farad

15 / 40

What is the measurement 4000 written in scientific notation?

0.4 x 10⁴

4 x 10³

40 x 10²

16 / 40

How many meters are in one millimeter?

0.001

0.1

0.01

17 / 40

How many nanoseconds are in one second?

1000

100000

1000000000

18 / 40

How many kilometers are in one mile?

16.0934

1.60934

0.62137

19 / 40

What is the formula for acceleration?

Acceleration = Distance/Time

Acceleration = Change in Velocity/Time

Acceleration = Force/Mass

20 / 40

How many centimeters are in one meter?

10

100

1000

21 / 40

What does the term "precision" refer to in measurements?

The smallest measurable unit

The closeness of a measurement to the true value

The degree of consistency in repeated measurements

22 / 40

How many significant figures are in the measurement 0.00780?

4

2

3

23 / 40

What is the measurement 0.0056 written in scientific notation?

5.6 x 10⁻³

56 x 10⁻⁴

5.6 x 10⁴

24 / 40

Which unit is used to measure the amount of substance?

Mole

Kelvin

Joule

25 / 40

How many millimeters are in one centimeter?

100

1000

10

26 / 40

What is the SI unit of temperature?

Fahrenheit

Kelvin

Celsius

27 / 40

What is the SI unit of force?

Newton

Joule

Watt

28 / 40

How many meters are in one kilometer?

10

100

1000

29 / 40

What is the standard unit for mass in the International System of Units?

Gram

Kilogram

Newton

30 / 40

What is the formula for density?

Density = Volume/Mass

Density = Mass × Volume

Density = Mass/Volume

31 / 40

What is the formula for velocity?

Velocity = Time/Displacement

Velocity = Distance/Time

Velocity = Distance/Time

32 / 40

What is the density of an object with a mass of 50 grams and a volume of 5 cubic centimeters?

250 g/cm³

5 g/cm³

10 g/cm³

33 / 40

What is the SI unit of electric potential?

Ohm

Volt

Ampere

34 / 40

What is the SI unit of time?

Minute

Second

Hour

35 / 40

What is the formula for kinetic energy?

Kinetic Energy = Mass × Velocity

Kinetic Energy = Force × Distance

Kinetic Energy = 0.5 × Mass × Velocity²

36 / 40

How many seconds are in one hour?

600

60

3600

37 / 40

What is the formula for work done?

Work Done = Force × Distance

Work Done = Force × Distance

Work Done = Force × Distance × sin(θ)

38 / 40

How many grams are in one kilogram?

1000

10

100

39 / 40

What is the SI unit of electric current?

Ampere

Ohm

Volt

40 / 40

What is the formula for pressure?

Pressure = Force × Area

Pressure = Force/Area

Pressure = Area/Force

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