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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 image is real and inverted.
Magnification = height of image / height of object.
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संबंधित प्रश्न
An image formed by a ______ mirror is always of the same size as that of the object.
A ray of light is incident normally on a plane mirror. What will be the:
- angle of incidence?
- angle of reflection?
Name the spherical mirror which can produce a real and diminished image of an object.
What is a spherical mirror?
Explain the following terms :
Pole, Centre of curvature, Radius of curvature, Principal axis. Show them on separate diagrams for each of the concave and convex mirrors.
State the position of object for which the image formed by a concave mirror is of same size.
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
State two uses of a concave mirror.
Complete the following diagrams shown in the following figures by drawing the reflected rays.
What is the focal length (f) of a mirror?
