To have the highest magnification in a telescope, the focal length of the objective lens should be and the focal length of the eyepiece lens should be . To have the highest magnification in a telescope, the focal length of the objective lens should be and the focal length of the eyepiece lens should be . small; small small; large large; small large; large

Large; small.

Explanation:

A telescope can be defined as an optical instrument or device which comprises of a curved mirror and lenses used for viewing distant objects i.e objects that are very far away such as stars and other planetary bodies. The first telescope was invented by Sir Isaac Newton.

To have the highest magnification in a telescope, the focal length of the objective lens should be large and the focal length of the eyepiece lens should be small.

This ultimately implies that, the eyepiece lens has a small focal length while the objective lens has a large focal length.

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