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प्रश्न
What is the name of the phenomenon in which the right side of an object appears to be the left side of the image in a plane mirror?
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उत्तर
Lateral inversion is the phenomenon in which the right side of an object appears to be the left side in its image in a plane mirror.
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संबंधित प्रश्न
Image formed by a convex ______ is always virtual and smaller in size.
An image formed by a ______ mirror is always of the same size as that of the object.
A concave mirror always forms a real image.
What kind of mirror is required for obtaining a virtual image of the same size as the object?
Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram
What is a spherical mirror?
State the two kinds of spherical mirror and distinguish them with the aid of proper diagrams.
An optical device has been given to a student and he determines its focal length by focusing the image of the sun on a screen placed 24 cm from the device on the same side as the sun. Select the correct statement about the device.
(A) Convex mirror of focal length 12 cm
(B) Convex lens of focal length 24 cm
(C) Concave mirror of focal length 24 cm
(D) Convex lens of focal length 12 cm
State the number of images of an object placed between two mirrors, formed in each case when mirrors are inclined to each other at (a) 90°, and (b) 60°.
State the kind of mirror used
(a) By a dentist,
(b) As a search-light reflector.
Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
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
Draw a ray diagram to show the formation of the image, when the object is placed between optical centre and principal focus of a convex lens.
State the signs and values of magnifications in the above mentioned case.
Define the following term in relation to concave mirror.
Principal focus
Define the term Normal.
Numerical problem.
The radius of curvature of a spherical mirror is 25 cm. Find its focal length.
If the real image of a candle flame formed by a lens is three times the size of the flame and the distance between lens and image is 80 cm, at what distance should the candle be placed from the lens?
Spherical mirrors are one form of ______ mirrors.
