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Target Exam

CUET

Subject

Physics

Chapter

Ray Optics

Question:

Match List - I with List - II.

List - I

List – II

 (A) 

 Simple microscope

 (I)

A concave mirror is used as an objective

 (B)

 Compound microscope 

 (II)

 Two convex lenses both of small focal length

 (C)

 Refracting Telescope

 (III) 

 Two convex lenses, one of small focal length other of large focal length 

 (D)

 Reflecting Telescope

 (IV)

 Single convex lens of small focal length

Choose the correct answer from the options given below : 

Options:

(A)-(IV), (B)-(II), (C)-(I), (D)-(III)

(A)-(IV), (B)-(II), (C)-(III), (D)-(I) 
(A)-(II), (B)-(IV), (C)-(III), (D)-(I) 

(A)-(IV), (B)-(III), (C)-(II), (D)-(I)

Correct Answer:
(A)-(IV), (B)-(II), (C)-(III), (D)-(I) 
Explanation:

A simple microscope is a magnifying glass that has a double convex lens with a short focal length. Examples of this kind of instrument include the hand lens and reading lens.

Compound Microscope is a microscope with a high resolution and uses two sets of lenses providing a 2-dimensional image of the sample.

Refracting Telescope use lenses to gather more light than the human eye could collect on its own. They focus the light and make distant objects appear brighter, clearer and magnified. This type of telescope is called a refracting telescope.

A reflecting telescope (also called a reflector) is a telescope that uses a single or a combination of curved mirrors that reflect light and form an image.

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