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A ray of light passing through centre of...

A ray of light passing through centre of curvature of a concave mirror retraces its path on reflection. Why ?

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This is because such a ray falls normally on the mirror
`angle i=0^@, angler=anglei=0^@`
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PRADEEP-REFLECTION AND REFRACTION-Additional Question
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  2. The focal length of a convex mirror is 12.5 cm. How far is it centre o...

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  3. A ray of light passing through centre of curvature of a concave mirro...

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  4. A ray of light passing through focus of a concave mirror becomes paral...

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  5. Does the position, size and the nature of the image formed by a concav...

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  6. Where is the image formed when an object is at large distance from a c...

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  7. Where should an object be placed in front of a concave mirror to obtai...

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  8. For what position of an object, a concave mirror forms a real image e...

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  9. Is the position of image same as the position of object when object an...

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  10. Can a concave mirror form a virtual image of same size as the object?

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  11. Which mirror has a wider field of view ?

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  12. A ray of light falling normally on a plane mirror retraces its path on...

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  13. A ray of light passing through centre of curvature of a spherical mir...

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  14. A concave mirror is used as doctor's head mirror.

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  15. In the mirror formula, (1)/(f)=(1)/(v)+1/u,f does not change when u is...

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  16. Where should an object be placed so that a real and inverted image of ...

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  17. An object 2 cm high is placed at a distance 2 f from a convex lens. Wh...

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  18. What is the largest value of refractive index? Name the medium.

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  19. (a) A ray of light in air enters glass. Does it bend towards normal ? ...

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  20. (a) A water tank appears 1*5 m deep. What is it actual depth ? Given r...

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