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प्रश्न
Define the term Pole.
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उत्तर
Pole is the centre of the reflecting surface, in this case, a spherical mirror.
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संबंधित प्रश्न
What do you understand by the focus and focal length of a spherical mirror? Show them on the separate diagrams for each of a concave mirror and a convex mirror.
Name the two kinds of spherical mirrors and distinguish between them.
Explain the meaning of the terms focus and focal length in case of a convex mirror, with the help of suitable ray diagram.
Select the correct option:
Which mirror is used in periscope?
Define the following term:
spherical mirror
Size of image of an object by a mirror having a focal length of 20 cm is observed to be reduced to 1/3rd of its size. At what distance the object has been placed from the mirror? What is the nature of the image and the mirror?
A ray of light is incident towards a plane mirror at an angle of 30° with the mirror surface. What will be the angle of reflection?
The image formed in a plane mirror is always inverted.
The distance from the center of curvature of the mirror to the pole is called the focal length of the mirror.
