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प्रश्न
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उत्तर
Linear magnification is defined as the ratio of the height of the image to the height of the object. It is taken to be positive for an image to be virtual and erect and negative when the image is real and inverted.
Magnification produced by a concave mirror is:
Magnification = height of image / height of object.
It is a pure ratio and does not have any units.
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संबंधित प्रश्न
A student obtains a sharp image of the distant window (W) of the school laboratory on the screen (S) using the given concave mirror (M) to determine its focal length. Which of the following distances should he measure to get the focal length of the mirror?
Explain the following term related to spherical lenses:- aperture
What is a spherical mirror?
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
A point light source is kept in front of a convex mirror at a distance of 40 cm. The focal length of the mirror is 40 cm. Find the position of image.
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
The spherical mirror used as a rear view mirror in the vehicle is
Name the type of mirror used in the following situation:
Side/rear-view mirror of a vehicle
Support your answer with reason.
A spherical mirror whose reflecting surface is curved outwards is called ______ mirror.
