State whether the following statements are true or false:

The microscope is an optical device that is used to see very small objects ( Unicellular organisms) , While telescopes is an optical instrument that is used to see very large objects in space.

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True

False

answer is A.

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Detailed Solution

The given statement is true.
Concept: A microscope is used to view objects placed closed to it, say within a few centimeters. To look at distant objects such as stars, a planet or a distant tree etc. we use a telescope. A pair of lenses in a tube are all that is needed to operate a simple telescope. An image is focused on by the front lens, known as the objective, and amplified by the rear lens, known as the eyepiece. The essential principles of operation of more advanced astronomical instruments are perfectly described by a straightforward telescope, despite the fact that it may appear to be crude equipment.
The objective and the eye-piece are the two lenses that make up the microscope in its typical arrangement.
Usually, the focal length is kept less than 40mm or up to a few mm as the nature of this lens should be converging. Also the eyepiece lens is Essentially merely a converging lens, often with a focal length between 50 and 15 mm.
Since telescopes display large objects (faraway bodies, stars, and planets or other celestial bodies) their objective lens creates a smaller representation of the actual image. But microscopes display very small objects, and their objective lens produces a broader perspective of the actual image.
Hence, the given statement is true.

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