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Advantages of cassegrain telescope is/ar...

Advantages of cassegrain telescope is/are

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Write two advantages of a reflecting telescope over a refracting telescope.

Define resolving power of a simple astronomical telescope. State one advantage of a reflecting telescope over refracting telescope.

(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.

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

Advantage of cleistogamy is

Advantage of cleistogamy is

Draw a schematic ray diagram of reflecting telescope showing how rays coming from a distant object are received at the eye - piece . Write its two important advantage over a refracting telescope.

(a) (i) Draw a labelled ray diagram to show the formation of image in an astronomical telescope for a distant object. (ii) Write three distinct advantages of a reflecting type telescope over a refracting type telescope. (b) A convex lens of focal length 10 cm is placed coaxially 5 cm away from a concave lens of focal length 10 cm. If an object is placed 30 cm in front of the convex lens, find the position of the image formed by the combined system.

Advantage of HF transmission is

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.