Question

Differentiate between a plane mirror, concave mirror and a convex mirror without touching them. (112)
Q3) Namit was driving a car and suddenly became aware of a loud sound coming from behind. He looked
through his rear view mirror and saw an ambulance. He recalled reading that such emergency vehicles often
have their name written in the mirror (AMBULANCE) or writing i.e. SOMAJUA MA.
He quickly made way for the ambulance, murmuring a quick prayer for the speedy recovery of the patient
inside the ambulance.
(a) Name the type of mirror which is used as a rear view mirror and why?
(b) Mention values did Namit exhibit.
(2+1=3)
(1+1=2)
(4) Complete the ray diagram:-
Light ray
Concave
mirror
60.-
30,
Object
Mirror​

Answer 1

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If you look into a plane mirror, you can find that the size of the image is same as that of the object. If you look into a concave mirror, you can see an enlarged image when placed close and can see an inverted image when kept away. A convex mirror always forms a small and erect image.

Convex mirrors have very wide field of view as they are curved outwards. So, the convex mirrors enable the driver to view much larger area than a plane mirror. Hence, it is used as a rear view mirror in automobiles to see objects at the backside of the vehicle.

Convex mirrors have very wide field of view as they are curved outwards. So, the convex mirrors enable the driver to view much larger area than a plane mirror. The images produced are erect and their size is much smaller than the object.