A simple telescope has

A convex lens and a concave lens

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A concave mirror and a convex lens

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Two convex lenses

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Two concave lenses

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Solution

The correct option is C Two convex lenses
A simple telescope consist of two convex lenses
1. objective lens - large focal length
2. eyepiece - small focal length
$∴$ Option C is correct.

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Question 7

You are provided with a convex mirror, a concave mirror, a convex lens and a concave lens. You can get an inverted image from

(a) both concave lens and convex lens.

(b) both concave mirror and convex mirror.

(d) Both convex mirror and concave lens.

Which of the following can make a parallel beam (a) concave mirror as well as concave lens (b) convex mirror as well as convex lens (c) concave mirror as well as convex lens (d) convex mirror as well as concave lens

Question 4

You are provided with a concave mirror, a convex mirror, a concave lens and a convex lens. To obtain an enlarged image of an object you can use either

(a) concave mirror or convex mirror.

(b) concave mirror or convex lens.

(d) concave lens or convex lens.

Q. Which of the following can make a parallel beam of light when light from a bulb falls on it?

(a) concave mirror as well as concave lens
(b) convex mirror as well as convex lens
(c) concave mirror as well as convex lens
(d) convex mirror as well as concave lens

Q. A magnifying glass is a

(a) concave mirror
(b) convex mirror
(c) concave lens
(d) convex lens

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A simple telescope has

The correct option is C Two convex lensesA simple telescope consist of two convex lenses 1. objective lens - large focal length2. eyepiece - small focal length∴ Option C is correct.

The correct option is C Two convex lenses
A simple telescope consist of two convex lenses
1. objective lens - large focal length
2. eyepiece - small focal length
$∴$ Option C is correct.