A 10 m long ladder when set against the wall of a house reaches a height of 6 m. How far is the foot of the ladder from the wall?
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A convex mirror is curved outwards, and concave mirror is curved inwards. (B). The focal point is in front of the convex mirror, and for a concave mirror, it is behind. ... The fundamental difference between them is that the reflective surface of a concave mirror is inside the sphere and that of a convex mirror is outside.
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