Reflection of Light at Curved Surfaces

1. Which mirror is called a converging mirror? When the object is placed at different places of concave mirror, draw the ray diagrams to show the images formed?         (AS5) 4 Marks

2. Explain the role of convex and concave mirrors in the development of human civilization.                                                                                                    (AS1) (AS6) 4 Marks
3. Which mirror should be used so as to get real as well as inverted images?
Mention the differences between the images.                                                      (AS1) 4 Marks
4.

From the above figure answer the following.
i) What does 'p' indicates?
ii) Identify incident rays.
iii) What are the characteristics of the image?                                                   (AS4) 4 Marks

5. Doshagna observed her image in the rear view mirror and found that the image was small.
a) What was that mirror? What was the nature of her image?
b) Draw a ray diagram showing that image. Where do we use that mirror in our daily life?                                                                                                                     (AS1) 4 Marks

6. During olden days kings used mirrors to destroy the ships and camps of their enemies.
a) Predict the type of mirrors used. What might be the energy used by them to defeat their enemies?
b) Predict the method used by them for the purpose. Draw a Ray diagram to explain this?                                                                                                                  (AS2) 4 Marks
7. Complete the following table for the positions of object placed as in the different places on the principle of axis of a concave mirror.                                                           (AS1) 4 Marks

 S.No. Position of the object position of image Enlarged/ Diminished Erect or Inverted Real or ​​​​​​​Virtual 1 Between pole and F 2 ​​​​​​​at F 3 Between F and C 4 at C

8. Fill the following table with the given ray diagrams information.      (AS4) 4 Marks

 Ray diagrams formed by a concave mirror object place image position Enlarged/ ​​​​​​​diminished Real (or) Virtual

9.

From the above figure answer the following.
i) Name the mirror used.
ii) Explain the nature of image.
iii) Mention, Where does we use this mirror based on above diagram?
iv) Identify incident rays.                                                                                 (AS1) 4 Marks

10. How for should hold an object from a concave mirror of focal length 40 cm. So as to get a virtual image twice the size of the object.                                                    (AS1) 4 Marks

11. Draw a ray diagram to show the formation of image at the object using a concave mirror.                                                                                                                  (AS5) 2 Marks

12. List the objects which you have observed in your surroundings, with either a convex surface or a concave surface in the following table                                               (AS4) 2 Marks

 Concave Surface Convex Surface

13.

14.

M is a .....
C means ...........
F means ..............
P means .............                                                                                            (AS5) 2 Marks

15. An object is kept at a distance of 10 cm infront of a concave mirror. It forms a real image 4 times larger than the object. Find the distance of image.                     (AS1) 2 Marks

16. Why the spherical mirrors are used in solar cookers and car head lights?      (AS1) 2 Marks

17. If the magnification factor of a concave mirror is -1, then
a) Find the position of object and image.
b) Mention the characteristics of the image.                                                       (AS1) 2 Marks

18.

19. If you want to burn a paper using a concave mirror then where will you place the paper?                                                                                                                       (AS2) 1 Mark

20. Which image does not form on a screen?                                                      (AS1) 1 Mark

21. In a laboratory, focal lengths of various mirrors are not given. To find the focal length of those mirrors which apparatus should be required? How do you calculate the focal length with these apparatus?                                                                                           (AS3) 4 Marks

Posted Date : 12-11-2020

గమనిక : ప్రతిభ.ఈనాడు.నెట్‌లో కనిపించే వ్యాపార ప్రకటనలు వివిధ దేశాల్లోని వ్యాపారులు, సంస్థల నుంచి వస్తాయి. మరి కొన్ని ప్రకటనలు పాఠకుల అభిరుచి మేరకు కృత్రిమ మేధస్సు సాంకేతికత సాయంతో ప్రదర్శితమవుతుంటాయి. ఆ ప్రకటనల్లోని ఉత్పత్తులను లేదా సేవలను పాఠకులు స్వయంగా విచారించుకొని, జాగ్రత్తగా పరిశీలించి కొనుక్కోవాలి లేదా వినియోగించుకోవాలి. వాటి నాణ్యత లేదా లోపాలతో ఈనాడు యాజమాన్యానికి ఎలాంటి సంబంధం లేదు. ఈ విషయంలో ఉత్తర ప్రత్యుత్తరాలకు, ఈ-మెయిల్స్ కి, ఇంకా ఇతర రూపాల్లో సమాచార మార్పిడికి తావు లేదు. ఫిర్యాదులు స్వీకరించడం కుదరదు. పాఠకులు గమనించి, సహకరించాలని మనవి.