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प्रश्न
Geometric centre of the spherical mirror is ______.
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उत्तर
Geometric centre of the spherical mirror is pole.
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संबंधित प्रश्न
Name the spherical mirror which can produce a virtual and diminished image of an object.
How is a spherical mirror used to converge a beam of light at a point? Name the type of mirror used.
A student obtained on a screen the sharp image of a candle flame placed at the farther end of laboratory table using a concave mirror. For getting better value of focal length of the mirror, the teacher suggested to him to focus the sun. What should the student do?
(A) Should move the mirror away from the screen.
(B) Should move the mirror towards the screen.
(C) Should move the mirror and screen both towards the sun.
(D) Should move only the screen towards the sun.
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An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
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The distance from the pole to the focus is called ______.
