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प्रश्न
Draw a ray diagram to show that a convex mirror has a wider field of view.
उत्तर
In the case of a convex mirror, all rays incident parallel to the principal axis appears to diverge from a Focal point. So it has a wider field of view as it converges all rays to a single point.
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संबंधित प्रश्न
The diverging lens in part (a) is replaced by a converging lens also of focal length 100 mm. The object remains in the same position and an image is formed by the converging lens. Compare two properties of this image with those of the image formed by the diverging lens in part (a).
A coin placed at the bottom of a vessel appears to be raised when water is poured in the vessel.
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
Name the spherical mirror which (i) diverges (ii) converges the beam of light incident on it. Justify your answer by drawing a ray diagram in each case.
(a) When a concave mirror is used as a shaving mirror, where is the person's face in relation to the focus of mirror?
(b) State three characteristics of the image seen in part (a).
The image formed by a convex mirror is
