Geometrical Optics – Online MCQs – Physics 10th

Online MCQs Test | Unit 13 : Geometrical Optics | Physics Class 10th | Sindh Board Science Group

Online MCQs Test of Chapter 13 (Geometrical Optics) Physics Class 10th Science Group – Sindh Board. According to New Examination Pattern / Syllabus of Sindh Board

1. The short-sightedness can be corrected by using:

 
 
 
 

2. In the normal human eye, the image is formed:

 
 
 
 

3. One of the angles of a right-angled prism is

 
 
 
 

4. Refraction of light is caused by a change in speed, at the interface of two different mediums:

 
 
 
 

5. Scientists believe that a human with a normal eye and regular vision can see the tiniest objects as small as about 0.1 millimeters,

 
 
 
 

6. The power of a lens is measured in:

 
 
 
 

7. The S.I unit of power of a lens is:

 
 
 
 

8. Magnification = ?

 
 
 
 

9. To view dim stars, we use:

 
 
 
 

10. A ray of light bends away from the normal when it enters an optically

 
 
 
 

11. When a light ray enters from a denser medium to a rare medium, it bends:

 
 
 
 

12. The human eye acts like a:

 
 
 
 

13. In the camera the distance between lens and film is fixed and is equal to:

 
 
 
 

14. Power of a lens is defined as the reciprocal of its:

 
 
 
 

15. For refractive index:

 
 
 
 

16. The ratio of the sine angle of incidence to the sine angle of refraction gives us a constant called the:

 
 
 
 

17. Which one of these has the largest refractive index?

 
 
 
 

18. 1 diopter = __________

 
 
 
 

19. The focus lies behind the mirror in:

 
 
 
 

20. A spherical mirror whose inner curved surface is reflecting is called:

 
 
 
 


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