A compound microscope consists of two converging lenses of focal length 2 cm and 10 cm. The separation between lenses is 15 cm . Match the Column I with Column II.
Column 1 | Column II | ||
(A) | Focal length of objective (in cm) | (I) | |
(B) | For normal adjustment, object distance in (cm) from objective. | (II) | 3.75 |
(C) | For normal adjustment, numerical value of angular magnification | (III) | |
(D) | For clear vision, numerical value of angular magnification | (IV) | 2 |
Choose the correct answer from the options given below.
Text Solution
Verified by ExpertsD
The focal length of objective is lesser than that of eyepiece.
The focal length of objective 
Image due to objective should be at the focal plane of eyepiece.
= 
For clear vision, 
Here, for eyepiece, 
or 
or 
.
For objective, 
Hence, A-(IV), B-(III), C-(II), D-(I).
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