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प्रश्न
Define the following term in relation to concave mirror.
Pole
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उत्तर
Pole “is the mid-point of the 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.
Explain the following term related to spherical lenses:- centres of curvature
Define Radius of curvature of the spherical mirror
Name the two types of spherical mirrors. What type of mirror is represented by the:
front side of a shining steel spoon?
Name the mirrors shown in Figure (a) and (b).
State whether the image in part (a) is real or virtual?
How will you distinguish between a plane mirror, a concave mirror and a convex mirror, without touching them?
A concave mirror forms a virtual image of size twice that of the object placed at a distance 5 cm from it. Find:
- the focal length of the mirror
- position of image
Define the following term:
convex mirror
In the following figure shows a concave mirror with its pole (P), focus (F) and centre of curvature (C). Draw a ray diagram to show the formation of the image of an object AB by the concave mirror.
