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 |
Enlarged/ |
Erect or |
Real or |
1 |
Between pole and F |
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2 |
at F |
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3 |
Between F and C |
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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/ |
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 |
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Convex Surface |
13.
14.
In the adjacent figure
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