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प्रश्न
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उत्तर
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Principal axis
An image which can be obtained on a screen is called a ______ image.
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
What will be the focal length of this mirror?
Write the formula for a lens connecting image distance (v), object distance (u) and the focal length (f). How does the lens formula differ from the mirror formula?
A 50 cm tall object is at a very large distance from a diverging lens. A virtual, erect and diminished image of the object is formed at a distance of 20 cm in front of the lens. How much is the focal length of the lens?
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
Define linear magnification produced by a mirror?
Define the term Pole.
