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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.
संबंधित प्रश्न
A student used a device (X) to obtain/focus the image of a well illuminated distant building on a screen (S) as shown below in the diagram. Select the correct statement about the device (X).
An image which can be obtained on a screen is called a ______ image.
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.
Name the kind of mirror used to obtain
(a) a real and enlarged image
(b) a virtual and enlarged image
(c) a real and diminished image, and
(d) a virtual and diminished image.
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.
Define linear magnification produced by a mirror?
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
