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Ray and Wave Optics Test Online MCQs

Test Name Ray and Wave Optics MCQs Test
Subject Physics
Test Type MCQs
Total Question 15
Total Marks 30
Total Time 15 Mints
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Check your knowledge about Ray and Wave Optics by attempting MCQs Test Online for the preparation of admission exams, physic subject test, engineering test medical test. Ray and Wave Optics MCQs Test Online is given below.

Ray and Wave Optics Test Online MCQs


1. The critical angle for the material of a prism is 45° and its refracting angle is 30°. A monochromatic ray goes out perpendicular to the surface of emergence from the prism. Then the angle of incidence on the prism will be:

Question 1 of 15

2. Four lenses having the focal length of + 15 cm, 20 cm, +150 cm, and +250 cm respectively are provided to make an astronomical telescope. The image is virtual, then the position of the object will be:

Question 2 of 15

3. On a rainy day, if there is an oil drop on tar road, coloured rings are seen around this drop. This is because of:

Question 3 of 15

4. How does the red shift confirm that the universe is expanding?

Question 4 of 15

5. What change occurs, if the monochromatic light used in Young’s double slit experiment is replaced by white light?

Question 5 of 15

6. In young’s experiment the monochromatic light is used to illuminate two slits A and B as shown in figure. Interference fringes are observed on a screen placed in front of the slits. Now a thin glass plate is placed normally in the path of beam coming from the slit A, then




Question 6 of 15

7. A cylindrical vessel is filled with water as shown if figure. A hole should be bored so that the water comes out upto maximum distance of:


Question 7 of 15

8. Light of wavelength 6000 Å id reflected at nearly normal incidence from a soap films of refractive index 1.4. the least thickness of the film that will appear black is:

Question 8 of 15

9. The refractive index of diamond is 2.0, velocity of light in diamond in cm per second is approximately:

Question 9 of 15

10. In an electron microscope the accelerating voltage is increased from 20 kV to 80 kV, the resolving power of the microscope will become

Question 10 of 15

11. Interference occurs in which of the following waves?

Question 11 of 15

12. If a star is moving towards earth then the spectrum lines are shifted towards:

Question 12 of 15

13. When a ray of light enters a glass slab, then

Question 13 of 15

14. In an astronomical microscope, the focal length of the objective is made:

Question 14 of 15

15. When a beam of light from air enters into the water, the characteristics of light will not be changed, is:

Question 15 of 15


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