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MCQ Science and Technology Chapter 11 Class 9 Maharashtra Board

Reflection of Light

1. Where is the light source placed in a torch with a concave mirror?

Question 1 of 20

2. Where is the light source placed in floodlights with a concave mirror?

Question 2 of 20

3. Why are concave mirrors used in solar devices?

Question 3 of 20

4. Why are convex mirrors used in cars?

Question 4 of 20

5. Why does a concave mirror burn paper when focusing sunlight?

Question 5 of 20

6. What is the sign of the focal length of a concave mirror in the Cartesian sign convention?

Question 6 of 20

7. What is the sign of the focal length of a convex mirror in the Cartesian sign convention?

Question 7 of 20

8. Where is the object placed in the Cartesian sign convention?

Question 8 of 20

9. How are distances to the right of the pole measured in the Cartesian sign convention?

Question 9 of 20

10. How are distances measured vertically upwards in the Cartesian sign convention?

Question 10 of 20

11. What is the mirror formula given in the document?

Question 11 of 20

12. What does magnification measure in a spherical mirror?

Question 12 of 20

13. What is the magnification formula involving distances in a spherical mirror?

Question 13 of 20

14. What is the sign of the object height in the Cartesian sign convention?

Question 14 of 20

15. What is the sign of the image height for virtual images in the Cartesian sign convention?

Question 15 of 20

16. What is the sign of the object distance (u) in the Cartesian sign convention?

Question 16 of 20

17. What type of mirror is used in a periscope?

Question 17 of 20

18. What type of mirror is used in car head lamps?

Question 18 of 20

19. What type of mirrors are the pieces of a broken spherical mirror?

Question 19 of 20

20. Which property is common to three mirrors made from one sphere?

Question 20 of 20


 

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