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An object of size 7.0 cm is placed at 27...

An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of focal length 18 cm. At what distance from the mirror should the screen be placed, so that a sharp focussed image can be obtained? Find the size and the nature of the image

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MBD-LIGHT:REFLECTION AND REFRACTION-EXAMPLE
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  2. An object 5.0 cm of length is placed at a distance of 20 cm in front o...

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  3. An object of size 7.0 cm is placed at 27 cm in front of a concave mirr...

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  4. Find the focal length of a lens of power- 2.0 D.What type of lens this...

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  5. A doctor has prescribed a corrective lens of power+ 1.5 D.Find the foc...

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  6. Form the image in case an object is moved from infinity to the concave...

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  7. Describe with the help of diagram the natrue, size and position of the...

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  8. What is refraction of light?

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  9. Draw the ray diagrams and find position,nature and size of image forme...

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  10. Draw the ray diagrams and find position,nature and size of image forme...

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  11. Draw the ray diagrams and find position,nature and size of image forme...

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  12. Give the nature, position and size of the image formed by a convex len...

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  13. What is light, Give the nature of light.

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  14. Write the characteristics of light.

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  15. What are the various artificial sources of light ? Give examples

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  16. What is reflector?

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  17. What is reflection of light? State the laws of reflection of light.

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  18. What is the angle of incidence when incident ray falls normal to the m...

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  19. What is the angle of reflection when a ray of light is incident normal...

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  20. A ray of light falling normal to the mirror returns along the same pat...

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