what si the nature of the image formed by a concave mirror , if the manification produced by the mirror is (a) +4 (b) -2.
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Answer:
(i) image is virtual,erect and magnified.
(ii) image is real, inverted and magnified.
Explanation:
When magnification is positive, then image is virtual and erect.
When magnification is negative, then image is real and inverted.
When magnification is less than 1, then image is diminished. But when greater than 1 , image is magnified.
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