Geometrical Optics – Online MCQs – Physics 10th

1. In the photograph enlarger, the object is placed:

2. In a compound microscope, as compared to an objective, the eyepiece lens has a focal length:

3. The angle of reflection and the angle of reflection are:

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

5. An optical fiber comprises:

6. The human eye acts like a:

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

8. In a telescope, as compared to an eye piece, the objective lens has a focal length:

9. The angle of incidence that causes the refracted ray to bend through 90° is called

10. A ray of light incident at an angle to the normal bends towards the normal when it enters into an optically:

11. 1 diopter = __________

12. The nature, position, and size of the image formed by a convex lens depend on the position of the object about point/s:

13. The convex lens becomes a magnifying glass when:

14. In a concave mirror, the image size depends upon:

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

16. magnifying glass is also called:

17. Which statement is correct?

18. The size of the image is always smaller than the object in:

19. Tick the correct mirror equation:

20. The long-sightedness can be corrected by using: