Question
In a concave mirror which of the following pair of
position of object – size of the image is correct? I. At infinity – point sized II. Beyond C – diminishedSolution
In the case of the placement of concave mirror, convex mirror, concave lens and convex lens, the image of an object placed at infinity will be highly diminished and point sized. If the object is beyond C in front of a concave mirror, the Image is invented and real, but diminished.
If A : B = 7:4 and A is 18 more than B then find the sum of A and B.
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