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प्रश्न
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
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उत्तर
(a) A dentist uses CONCAVE MIRROR.
(b) Convex mirror
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संबंधित प्रश्न
A student focused the Sun rays using an optical device 'X' on a screen S as shown.
From this it may be concluded that the device 'X' is a (select the correct option)
(A) Convex lens of focal length 10 cm.
(B) Convex lens of radius of curvature 20 cm.
(C) Convex lens of focal length 20 cm.
(D) Concave mirror of focal length 20 cm.
Define Radius of curvature of the spherical mirror
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
The erect image formed by a concave mirror is of size double the size of object. How are u and v related?
Define the following term:
concave mirror
Complete the following diagrams shown in the below figure by drawing the reflected ray for each incident ray.
The spherical mirror used as a rear view mirror in the vehicle is
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
The minimum length of the mirror required to see the full image of the person is half ‘ of his height.
