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Reflecting Telescope...

Reflecting Telescope

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(a) List some advantanges of a reflecting telescope, especially for high resolution astronomy. (b) A reflecting type telescope has a large mirror for its objective with radius of curvature equal to 80 cm . What is the magnifying power of telescope if eye piece used has a focal length of 1.6 cm ?

(a) Draw a ray diagram to show image fromation when the concave mirror produces a real, inverted and magnified image of the object (b) Obtain the mirror formula and write the expression for the liner magnification. (c) Explain two advantages of a reflecting telescope over a refracting telescope.

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Draw a labelled ray diagram of a refracting telescope. Define its magnifying power and write the expression for it. Write two important limitations of a refracting telescope over a reflecting type telescope.

Describe a reflecting type telescope. What are its advantage over the refracting telescope ?

Describe a reflecting type telescope. What are its advantage over the refracting telescope ?

Distintuish between refracting type telescope and reflecting type telescope.