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Mirror Formula and Magnification

Suppose half ...

Question

Suppose half of a concave mirror reflecting surface is covered with a black soot. how will the image of an object in front of the mirror be affected?

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Solution

As all the rays moving from above the principle axis bounces back but rays moving towards lower half part will absorbed hence image is formed having intensity less than its initial.

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Q. Suppose that the lower half of the concave mirror's reflecting in figure is covered with an opaque (non-reflective) material. What effect will this have on the image of an object placed in front of the mirror?

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Q. An object is placed between a convex and a concave mirror. The pole of the convex mirror coincides with the centre of curvature of the concave mirror. Suppose an object is placed at the focus of the concave mirror. What will be the nature of the image formed by the concave mirror of the image formed by the convex mirror?

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