Question

Why objective of microscope is of short aperture and short focal length?

Answer 1

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⬆️⬆️⬆️⬆️⬆️⛔⛔⛔♦️♦️♦️becomes small. If aperture is small then light coming from object expends in small aperture, as a result... ... What is the focal length of the objective lens of a compound.

Answer 2

Answer:

Compound microscope is made up of two convex lenses. The convex lens that is close to the object is known as objective lens and the lens placed near to the eye is known as eye piece. Objective lens has small focal length and small aperture because for small focal length it is necessary to have small aperture.

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