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प्रश्न
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उत्तर
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संबंधित प्रश्न
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
What is the nature of spherical mirror?
State the position of object for which the image formed by a concave mirror is of same size.
Write two more characteristics of the image.
Name the kind of mirror used to obtain :
A real and enlarged image
Define the following term in relation to concave mirror.
Pole
Define the following term in relation to concave mirror.
Focal length
Define the following term in relation to concave mirror.
Radius of curvature
Does the mirror name by your form a real image for all locations? Give a reason for your answer.
Complete the following diagrams shown in the following figures by drawing the reflected rays.
In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the telescope is 2, will be ______.
