Optical Instruments

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Optical Instruments: Overview

This topic covers concepts such as Astronomical Telescope, Simple Microscope, Compound Microscope, Telescope, Angular Magnification in Optical Instrument, Refracting Telescope, Reflecting Telescope, Galilean Telescope, Binoculars, etc.

Important Questions on Optical Instruments

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The expression for magnifying power of compound microscope is

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The expression for astronomical telescope magnifying power is

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In a compound microscope, the intermediate image is

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The focal lengths of the objective and the eye piece of a compound microscope are 2.0 cm and 3.0 cm, respectively. The distance between the objective and the eye piece is 15.0 cm. The final image formed by the eye piece is at infinity. The two lenses are thin. The distance in cm of the object and the image produced by the objective, measured from the objective lens, are respectively

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Which type of telescope would require a longer tube length an astronomical telescope or a Galilean telescope?

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Astronomical telescopes are used for viewing distant stars and planets whereas _____ telescopes are used for viewing distant objects on earth.

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Astronomical telescopes are used for viewing distant stars and planets whereas terrestrial telescopes are used for viewing distant objects on earth.This statement is true or false?

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Which type of telescope would require a longer tube length an astronomical telescope or a Galilean telescope?
 

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Who clicked the first photo?

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What are the function of photographic camera?

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What is degrees of visual angle?

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How do you find the visual angle?

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What are the parts of binoculars?

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Why prisms are used in binoculars essay?

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What is the working principle of binoculars?

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What is the angular magnification of compound microscope?

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What is linear magnification in microscope?

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Magnification of compound microscope is not associated with _______________.

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What is the magnification power of compound microscope?

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When the length of a microscope tube increases, its magnifying power _____.