Punjab 11th Class Physics Chapter 9 Physical Optics Mcqs Test Online
Questions 12
Total Marks 24
Time 12 Mins
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Punjab 11th Class Physics Chapter 9 Physical Optics Mcqs Test Online

Start your preparation for Punjab 11th Class Physics Chapter 9 Physical Optics Mcqs Test Online. This online test contains 12 MCQs and you have 12 Minutes to complete it. The total marks for this test are 24. This test is valid for students of All Punjab Boards (Lahore, Gujranwala, Multan, etc.) following the PCTB Syllabus. Read the questions carefully and select the correct option below to see your result.

Physics Chapter 9 Physical Optics Mcqs Test Online Punjab Class 11th

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Question 1 of 12

Physics

1. Which one of the following properties proves the transverse wave nature of light.

Question 1 of 12

Question 2 of 12

2. Which of the following three regions of the electromagnetic spectrum in order of increasing wavelength, visible radiation.

Question 2 of 12

Question 3 of 12

3. The principle of Young’s double slits experiment is based on the division of:

Question 3 of 12

Question 4 of 12

4. Coloured fringes observed in soap bubbles are the examples of

Question 4 of 12

Question 5 of 12

5. Light of wavelength λ is incident normally on a diffraction grating for the slit spacing is equal to 3λ. What is the sin θ of the angle between the second order maximum and the normal:

Question 5 of 12

Question 6 of 12

6. During a sunny day we see the objects in a class room even when all the electric lights are off, due to:

Question 6 of 12

Question 7 of 12

7. The principle of Michelson interferometer is based on the division of

Question 7 of 12

Question 8 of 12

8. Two monochromatic radiating X and Y are incident normally on a diffraction grating. The second order intensity maximum for X coincides with the third order intensity maximum for Y.
What is the ratio wavelength X/wavelength Y ?

Question 8 of 12

Question 9 of 12

9. In the Young’s double slit experiment the separation between the slits is halved and the distance between the slits and the screen is double. The fringe width is

Question 9 of 12

Question 10 of 12

10. Which one of the following properties of light does not change when it enters from one medium to another medium?

Question 10 of 12

Question 11 of 12

11. The tip of a needle does not give a sharp image. It is due to

Question 11 of 12

Question 12 of 12

12. Signal from a remote control to the device operated by it travels with the speed of:

Question 12 of 12


 

Guide for Punjab Board Students

Students of BISE Lahore, Gujranwala, Multan, and other Punjab boards must follow the SLO based pattern.

Top Scoring Tips for Punjab:

  • Textbook Reading: The paper is 100% derived from PCTB books. Do not rely only on keybooks.
  • Objective Paper (20%): Practice these online MCQs repeatedly as they are taken from 5-Year Past Papers.
  • Bubble Sheet: Ensure you know how to fill the OMR sheet correctly.

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