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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
We can obtain a real, enlarged and inverted image by a concave mirror.
What kind of mirror is required for obtaining a virtual image of the same size as the object?
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
State whether this spherical mirror will diverge or converge light rays.
Define the following terms in the context of spherical mirrors :
(i) Pole
(ii) Centre of curvature
(iii) Radius of curvature
(iv) Principal axis
State the types of mirrors used for (i) headlights and (ii) rear view mirror, in cars and motorcycles. Give to justify your answer in each case.
Write the spherical mirror's formula and explain the meaning of each symbol used in it.
The image formed by a convex mirror is of size one third the size of object. How are u and v related?
Draw a ray diagram to show that a convex mirror has a wider field of view.
