Question
Explain the following with the help of a diagram :
Compound microscope
Compound microscope
✓
Answer
(i) A compound microscope is made of two convex lenses objective and eye piece.
(ii) The axes of both lenses are along the same line. The lenses are fitted inside a metallic tube in such a way that the distance between can be changed.
(iii) The objective has smaller cross-section and smaller focal length. The eye piece has bigger cross section, its focal length is also larger than that of the objective.
(iv) Higher magnification can be obtained by the combined effect of the two lenses.
(v) The magnífication occurs in two stages. The image formed by the first lens acts as the object for the second lens.
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