Easy
The compound microscope consists of two convex lenses of $5 \, cm$ and $20 \, cm$ focal length. Which of them will be the objective and the eyepiece?
- AObjective with $20 \, cm$ focal length and eyepiece with $5 \, cm$ focal length.
- BObjective with $5 \, cm$ focal length and eyepiece with $20 \, cm$ focal length.
- CBoth should have $20 \, cm$ focal length.
- DBoth should have $5 \, cm$ focal length.
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