Q. 235.0( 4 Votes )

(i) Which propert

Answer :

(i) It forms a virtual, erect and magnified image when object is placed between pole and focus of concave mirror. This property helps it to use as a shaving mirror.

(ii) In case of a rectangular glass slab emergent ray is parallel to incident ray but laterally displaced from the path of incident ray.

But in a prism it bends towards base of prism making an angle of deviation with the path of incident ray.


Focal length = 50 cm or 0.5 m

P = 1/0.5

= 2 D

So, power = -2 D

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