A compound microscope is a two-lens system used to look at very small objects. W

Question

A compound microscope is a two-lens system used to look at very small objects. Which of the following statements is correct? The objective lens is a short focal length, convex lens and the eyepiece functions as a simple magnifier. The objective lens is a long focal length, convex lens and the eyepiece functions as a simple magnifier. The objective lens and the eyepiece both have the same focal length and both serve as simple magnifiers. The objective lens is a short focal length, concave lens and the eyepiece functions as a simple magnifier. The objective lens is a long focal length, concave lens and the eyepiece functions as a simple magnifier.

Explanation / Answer

The first option is correct.

The objective lens is a short focal length, convex lens and the eyepiece functions as a simple magnifier.

The objective is a convex lens of short aperture and short focal length where as the eyepiece is of short focal length but large aperture.

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