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# Punjab 10th Class Physics Chapter 3 Geometrical Optics Mcqs Test Online

 Total Question 20 Questions Total Marks 40 Marks Total Time 20 Minuts
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### Test Name

 Ch.3 # Geometrical Optics

### Subject

 Physics (10th Class)

 MCQs

# Punjab 10th Class Physics Chapter 3 Geometrical Optics Mcqs Test Online

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Question 1 of 20

## Physics

1. The index of refraction depends upon:
1.
2.
3.
4.

Question 1 of 20

Question 2 of 20

2. A converging mirror with a radius of 20 cm creates a real image 30 cm from the mirror. What is the object distance?
1.
2.
3.
4.

Question 2 of 20

Question 3 of 20

3. Focal length of a concave lens is:
1.
2.
3.
4.

Question 3 of 20

Question 4 of 20

4. If a ray of light in glass in incident on an air surface at an angle greater than the critical angle, the ray will:
1.
2.
3.
4.

Question 4 of 20

Question 5 of 20

5. Image formed on a camera is:
1.
2.
3.
4.

Question 5 of 20

Question 6 of 20

6. If the outer curved surface of a mirror is reflecting, then it is called:

1.
2.
3.
4.

Question 6 of 20

Question 7 of 20

7. The distance between principal focus of a convex mirror and its pole is called:
1.
2.
3.
4.

Question 7 of 20

Question 8 of 20

8. Which type of image is formed by a concave lens on a screen?
1.
2.
3.
4.

Question 8 of 20

Question 9 of 20

9. Which of the following quantities is not changed during refraction of light?
1.
2.
3.
4.

Question 9 of 20

Question 10 of 20

10. An object is 14 cm in front of a convex mirror. The image is 5.8 cm behind the mirror. What is the focal length of the mirror?

1.
2.
3.
4.

Question 10 of 20

Question 11 of 20

11. The ratio of the height of the image to an object is called:
1.
2.
3.
4.

Question 11 of 20

Question 12 of 20

12. Focal length of the concave mirror is:
1.
2.
3.
4.

Question 12 of 20

Question 13 of 20

13. An object is placed at the center of curvature of a concave mirror. This image produced by the mirror is located:
1.
2.
3.
4.

Question 13 of 20

Question 14 of 20

14. The focal length of a spherical mirror is:
1.
2.
3.
4.

Question 14 of 20

Question 15 of 20

15. The principal focus of a concave mirror is real because:
1.
2.
3.
4.

Question 15 of 20

Question 16 of 20

16. If a ray of light in glass is incident on an air surface at an angle greater than the critical angle, the ray will:
1.
2.
3.
4.

Question 16 of 20

Question 17 of 20

17. If the image is virtual, then its distance from lens is taken:

1.
2.
3.
4.

Question 17 of 20

Question 18 of 20

18. Diameter of a spherical mirror is called:
1.
2.
3.
4.

Question 18 of 20

Question 19 of 20

19. Linear magnification:
1.
2.
3.
4.

Question 19 of 20

Question 20 of 20

20. Which type of image is produced by the converging lens of human eye if it views a distant object?
1.
2.
3.
4.

Question 20 of 20

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