Answered

3.

(a) For a concave mirror, draw a ray diagram to show the reflected ray for a ray incident:

(i) at its pole
(ii) at its center of curvature

(b) Which type of mirror is used by a dentist to examine teeth and why?



Answer :

GinnyAnswer

Final answer:

The response explains ray diagrams for a concave mirror and why dentists use concave mirrors for examining teeth.


Explanation:

Concave Mirror Ray Diagrams: (a) (i) At the pole: When a ray is incident at the pole of a concave mirror, it is reflected back along the same path. (ii) At the center of curvature: A ray incident at the center of curvature of a concave mirror is reflected back on itself. (b) A dentist uses a concave mirror to examine teeth because it produces magnified, virtual images that are upright and easier to observe.


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