NCERT Exemplar X — task. Science CBSE, Class 10.

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1. A full-length image of a distant tall building can definitely be seen by using

a concave mirror
a plane mirror
both concave as well as plane mirror
a convex mirror

2. In torches, searchlights and headlights of vehicles the bulb is placed

between the focus and centre of curvature of the reflector
very near to the focus of the reflector
at the centre of curvature of the reflector
between the pole and the focus of the reflector

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