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Which type of telescope can be made using a concave mirror, convex mirror, plane mirror and a lens? Draw diagrams of these telescopes.
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Which Type of Telescopes Can Be Made Using a Concave Mirror, Convex Mirror, Plane Mirror and a Lens? Draw Diagrams of These Telescopes. - Science and Technology | Shaalaa.com
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They use concave mirrors in the telescope to see very far...
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Two-mirror telescopes: Cassegrain, Gregorian and variants
Reflecting Telescopes
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