The equiconvex lens has a focal length ' 
'. If the lens is cut along the line perpendicular to principal axis and passing through the pole, what will be the focal length of any half part?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
: Using lens maker's formula,
Since, 
and 
for equiconvex lens.
Now, when the lens is cut along the line perpendicular to principal axis then,
and 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The angle made by incident ray of light with the reflecting surface is called
A convex lens of focal length is placed in contact with a concave lens of the same focal length. T…
A ray of light travelling in a transparent medium of refractive index , falls on a surface separat…
A ray of light is incident on a prism at the minimum deviation position. The angle of refraction a…
A glass convex lens is of refractive index 1.55 with both faces of same radius of curvature. What i…
A compound microscope is a magnification of 24. The focal length of the eyepiece is . The final im…