The focal lengths of the objective and the eye-piece of a compound microscope are and respectively. The distance between the objective and the eye-piece is . The final image formed by the eye-piece is at infinity. The two lenses are thin. The distances in of the object and the image produced by the objective measured from the objective lens are respectively |
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a) |
2.4 and 12.0 |
b) |
2.4 and 15.0 |
c) |
2.3 and 12.0 |
d) |
2.3 and 3.0 |
The focal lengths of the objective and the eye-piece of a compound microscope are and respectively. The distance between the objective and the eye-piece is . The final image formed by the eye-piece is at infinity. The two lenses are thin. The distances in of the object and the image produced by the objective measured from the objective lens are respectively |
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a) |
2.4 and 12.0 |
b) |
2.4 and 15.0 |
c) |
2.3 and 12.0 |
d) |
2.3 and 3.0 |
(a) When final image is formed at infinity, length of the tube For objective lens |