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प्रश्न
Name the type of mirror used in the following situation:
Solar furnace
Support your answer with reason.
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उत्तर
Concave Mirror: This is because for solar furnaces, we use a concave mirror. Light from the sun, on reflection from the mirror, is concentrated at the focus of the mirror, producing heat.
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संबंधित प्रश्न
A simple microscope is used by watch repairers. Give reason.
A student focused the Sun rays using an optical device 'X' on a screen S as shown.
From this it may be concluded that the device 'X' is a (select the correct option)
(A) Convex lens of focal length 10 cm.
(B) Convex lens of radius of curvature 20 cm.
(C) Convex lens of focal length 20 cm.
(D) Concave mirror of focal length 20 cm.
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Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
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Select the correct option:
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Define the following term in relation to concave mirror.
Principal focus
Which of the following has curved reflecting surface?
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