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Standard VIII
Biology
Compound Microscope
13. In a rams...
Question
13. In a ramsden's eyepiece of effective focal length 4cm the focal length of the eye lens is
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Q.
In the case of Huygens eyepiece, the ratio of focal length of eye lens, effective focal length and length of the eyepiece is :
Q.
In Ramsden eyepiece, the distance between the eye lens and cross wires is
1.1
c
m
. What is the focal length of the lenses of the eyepiece?
Q.
If the focal length of the eye lens in Ramsden's eyepiece is
f
, then the focal length of the field lens and separation between the field lens and cross wires are respectively :
Q.
The effective focal length of Huygens eyepiece is 3cm. The focal power of field lens is
Q.
In the case of Ramsdens eyepiece, L is length of eyepiece,
f
f
is the focal length of field lens and
f
e
is the effective focal length of eyepiece. The ratio ( L :
L
f
:
L
e
) is :
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