Chapter 9 Class 11 Physics MCQS Physical Optics || Multiple Choice Questions Class 11 Physics kpk|

Chapter 9 Class 11 Physics MCQS Physical Optics || Multiple Choice Questions Ch 9 Class 11 Physics|| Feel the Nature (Physics) || Chapters 00:00 Intro 00:21 MCQ 01 01:50 MCQ 02 04:35 MCQ 03 06:04 MCQ 04 07:32 MCQ 05 09:30 MCQ 06 12:20 MCQ 07 13:05 MCQ 08 14:46 MCQ 09 16:42 MCQ 10 19:32 MCQ 11 1. The principle of Young’s double slits experiment is based on the division of: A. Amplitude B. Frequency C. Velocity D. Wavelength 2. Which one of the following properties proves the transverse wave nature of light A. Interference B. Refraction C. Polarization D. Diffraction 3. Coloured fringes observed in soap bubbles are the examples of A. Diffraction B. Interference C. Polarization D. Reflection 4. During a sunny day we see the objects in a class room even when all the electric lights are off, due to A. Reflection of light B. Refraction of light C. Diffraction of light D. Interference of light. 5. The principle of Michelson interferometer is based on the division of A. Wavefront B. Amplitude C. Frequency D. Speed of light 6. In the Young’s double slit experiment the separation between the slits is halved and the distance between the slits and the screen is doubled. The fringe width is A. Halved B. Unchanged C. Doubled D. Quadrupled 7. Signal from a remote control to the device operated by it travels with the speed of: A. Sound B. Light C. Ultrasonic D. Supersonics 8. Light of wavelength λ is incident normally on a diffraction grating for which the slit spacing is equal to 3λ. What is the sine of the angle between the second order maximum and the normal? A. 1/6 B. 1/3 C. 2/3 D. 1 9. Which of the following gives three regions of the electromagnetic spectrum in order of increasing wavelength, visible radiation A. Gamma rays, microwaves, visible radiation B. Radio waves, ultraviolet, X-rays C. Ultraviolet, Infra-red microwaves D. Visible radiation, gamma rays, radio waves 10. Two monochromatic radiations 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 of X)/(Wavelength of Y)=? A. 1/2 B. 2/3 C. 3/2 D. 2/1 11. The tip of a needle does not give a sharp image. It is due to A. Polarization B. Interference C. Diffraction D. Refraction Physics Chapter 9 Physical Optics Federal Board KPK Board MCQs Multiple Choice Questions Multiple Choice Questions Chapter 9 Multiple Choice Questions Physical Optics Multiple Choice Questions Class 11 Khyber Pakhtunkhwa Textbook board Peshawar Choose the Correct Option 11th class physics solved important mcqs chapter 11th class physics mcqs Chapter 9 11th class physics important mcqs Chapter 9 11 class physics solved important mcqs Chapter 9 physics important mcqs of class 11 Chapter 9 11 class physics mcqs Chapter 9 physics important mcqs 11th class Chapter 9 Khyber Pakhtunkhwa Textbook board Peshawar Class 11 physics mcqs with answers Class 11 physics mcqs chapter 9 #Chapter9 #PhysicalOptics #Physics #Chapter9MCQs #Class11 #MCQsChapter9 #MultipleChoiceQuestions #Class11PhysicMCQs #PhysicsChapter9 #1styearphysics #class11 #education