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प्रश्न
Define the term Pole.
उत्तर
Pole is the centre of the reflecting surface, in this case, a spherical mirror.
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संबंधित प्रश्न
A student obtains a sharp image of the distant window (W) of the school laboratory on the screen (S) using the given concave mirror (M) to determine its focal length. Which of the following distances should he measure to get the focal length of the mirror?
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