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Image Formation in Concave Mirror

Assume that t...

Question

Assume that the object is placed beyond C in a concave mirror. Why can't we take two raysnparallel to principal axis or one day parallel to principal axis and other along it or one along the principal axis and the other passing through C and why?

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Solution

Since the object is beyond C and drawing a line from the head of object through C may be difficult to touch the mirror. So we daw a line parallel to axis and other to centre of mirror as shown above

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Image Formation in Concave Mirror

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