11th Class Physics Chapter 9 MCQs with Answers

AdminMarch 2, 2024

0 9 1 minute read

Welcome to the 11th Class Physics Chapter 9 MCQs Practice and Quiz Tests. We are presenting you with top MCQ questions from the 11th Class Physics Chapter 9 Physical Optics.

You can find all the 11th Class Physics Chapter 9 MCQs online tests on our website. These online tests are great for learning and as well as for scoring maximum marks in your Intermediate Exams. We are making these Class 11 Physics MCQs online tests for those who want full marks in their exams.

11th Class Multiple Choice Question Chapter 9 with Answers Free PDF

You can also download 11th Class Questions with Answers Chapter 9 free PDF from the link provided below. To Download file in PDF click on the arrow sign at the top right corner.

Grade 11 Physics Chapter 9 Online Quiz

By presenting 3 options to choose from, 11th Class Chapter 9 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 11th Class Questions and Answers and click over the correct answer.

Test Name: 11th Class Chapter 9 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.

1th Class Physics Ch 9: Physical Optics

Please fill out the form before starting Quiz.

1 / 40

What is the phenomenon where light waves spread out when passing through a narrow slit?

Diffraction

Reflection

Refraction

2 / 40

The bending of light waves around obstacles or the edges of an opening is known as...

Refraction

Diffraction

Reflection

3 / 40

The bending of light around obstacles or the spreading out of light waves when passing through small openings is called...

Reflection

Diffraction

Refraction

4 / 40

Which phenomenon is responsible for the rainbow effect seen in a prism?

Polarization

Dispersion

Diffraction

5 / 40

The phenomenon of bending of light around the corners of an obstacle is called...

Diffraction

Refraction

Reflection

6 / 40

What is the phenomenon where light bounces off a surface?

Refraction

Reflection

Diffraction

7 / 40

The phenomenon of bending of light around the corners of an obstacle is called...

Refraction

Reflection

Diffraction

8 / 40

What is the phenomenon where light waves change speed and direction as they pass from one medium to another?

Refraction

Diffraction

Reflection

9 / 40

The change in direction of light due to a change in its speed as it passes from one medium to another is known as...

Diffraction

Reflection

Refraction

10 / 40

Which phenomenon explains why a pencil appears bent when placed in a glass of water?

Refraction

Diffraction

Reflection

11 / 40

The phenomenon of light bending around the edges of an obstacle or aperture is called...

Diffraction

Reflection

Refraction

12 / 40

What is the phenomenon where light waves spread out after passing through a narrow slit?

Reflection

Diffraction

Refraction

13 / 40

When light waves change direction upon hitting a surface and bounce back, this is known as...

Refraction

Reflection

Diffraction

14 / 40

Which phenomenon explains why the sky appears blue?

Reflection

Refraction

Rayleigh scattering

15 / 40

What is the phenomenon where light bends as it passes through different mediums?

Refraction

Reflection

Diffraction

16 / 40

The spreading of light around obstacles or the edges of an opening is called...

Reflection

Refraction

Diffraction

17 / 40

What is the phenomenon where light waves bend around corners or obstacles?

Refraction

Diffraction

Reflection

18 / 40

When light waves change direction upon hitting a surface and bounce back, this is known as...

Reflection

Diffraction

Refraction

19 / 40

The change in direction of light as it passes from one medium to another is described by...

Fermat's Principle

Snell's Law

Huygens' Principle

20 / 40

What is the phenomenon where light waves interact and change their intensity when they overlap?

Diffraction

Interference

Polarization

21 / 40

Which principle states that light follows the path that takes the least time to travel?

Snell's Law

Huygens' Principle

Fermat's Principle

22 / 40

What phenomenon causes the colors seen in soap bubbles and oil slicks?

Interference

Polarization

Diffraction

23 / 40

Which principle states that the path taken by light between two points is the path that takes the least time?

Huygens' Principle

Fermat's Principle

Snell's Law

24 / 40

The bending of light around obstacles and the spreading out of light waves when passing through small openings is called...

Refraction

Diffraction

Reflection

25 / 40

Which phenomenon explains why a pencil appears bent when placed in a glass of water?

Refraction

Diffraction

Reflection

26 / 40

What is the phenomenon where light waves spread out after passing through a narrow slit?

Diffraction

Reflection

Refraction

27 / 40

What phenomenon causes the colors seen in soap bubbles and oil slicks?

Polarization

Interference

Diffraction

28 / 40

The phenomenon where light waves spread out as they pass through a narrow slit is called...

Reflection

Refraction

Diffraction

29 / 40

What is the phenomenon where light waves bend around corners or edges?

Refraction

Reflection

Diffraction

30 / 40

The change in direction of light as it passes from one medium to another is described by...

Fermat's Principle

Snell's Law

Huygens' Principle

31 / 40

The spreading of light around obstacles or the edges of an opening is called...

Reflection

Diffraction

Refraction

32 / 40

The change in the direction of propagation of any wave as it travels from one medium to another is called...

Refraction

Diffraction

Reflection

33 / 40

The bending of light waves around obstacles or the edges of an opening is known as...

Diffraction

Refraction

Reflection

34 / 40

The change in the direction of propagation of any wave as it travels from one medium to another is called...

Reflection

Diffraction

Refraction

35 / 40

What is the phenomenon where light waves interact and change their intensity when they overlap?

Interference

Polarization

Diffraction

36 / 40

What is the phenomenon where light waves separate into different colors due to their different wavelengths?

Diffraction

Dispersion

Polarization

37 / 40

The change in direction of light due to a change in its speed as it passes from one medium to another is known as...

Refraction

Reflection

Diffraction

38 / 40

The bending of light waves around obstacles or the edges of an opening is known as...

Refraction

Diffraction

Reflection

39 / 40

The spreading out of light waves when they encounter an obstacle or a slit is called...

Diffraction

Reflection

Refraction

40 / 40

Which principle states that every point on a wavefront can be considered as a source of secondary spherical wavelets?

Snell's Law

Fermat's Principle

Huygens' Principle

Download Certificate of Quiz 11th Class Chapter 9

On the end of Quiz, you can download the certificate of the quiz, if you got more than 70% marks. Add a certificate to your job application or social profile (like LinkedIn).

AdminMarch 2, 2024

0 9 1 minute read