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प्रश्न
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
उत्तर
Incident ray: The light ray striking a reflecting surface is called the incident ray.
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.
Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.
Write the mirror formula. Give the meaning of each symbol which occurs in it.
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
Define the following term in relation to concave mirror.
Focal length
Find the height of the image of a body of height 1.5m in a mirror with a magnification of 1.5.
AB is the object, A1B1 is its image. MM' is the position of the mirror. Complete the ray diagram and find the position of the center of curvature and focus of the mirror. Also, measure the focal length.
The diagram below shows the parallel rays incident on a convex mirror. C is the centre of the curvature of the mirror. By drawing the paths of the reflected rays, label the focus F and hence find the focal length of the mirror.
Geometric centre of the spherical mirror is ______.
What is the focal length (f) of a mirror?
