The correct answer is A: two convex lenses.. A compound microscope consists of two convex lenses: an objective lens (with a short focal length) placed near the specimen, and an eyepiece (with a relatively longer focal length) through which the observer views the magnified image. The objective forms a real, inverted, magnified image which serves…
A.two convex lenses.✓ Correct
B.a convex and a concave lens.
C.two concave lenses.
D.a convex lens and a convex mirror.
Explanation
A compound microscope consists of two convex lenses: an objective lens (with a short focal length) placed near the specimen, and an eyepiece (with a relatively longer focal length) through which the observer views the magnified image. The objective forms a real, inverted, magnified image which serves as the object for the eyepiece, which then acts as a simple magnifier to produce a final virtual and highly magnified image. Therefore, a microscope is typically a combination of two convex lenses.
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