Five persons 
and 
recorded object distance 
and image distance 
using same convex lens having power +5 D as 
and 
respectively. Identify correct statement
A
Readings recorded by 
and 
persons are incorrect
and persons are incorrect B
Readings recorded by 
and 
persons are incorrect
and persons are incorrect C
Readings recorded by all persons are correct
D
Readings recorded by 
person are incorrect
person are incorrect
Text Solution
Verified by ExpertsThe correct answer is:
D
For a convex lens with power 
, the focal length is 
.
The lens formula is 
. Checking each measurement:
Correct;
Correct;
Incorrect;
Correct;
Correct.
Only 
's readings do not satisfy the lens formula.
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
As shown in the diagram, when the incident ray is parallel to base of the prism, the emergent ray g…
A thin prism with angle of refractive index 1.72 is combined with another prism of refractive inde…
Consider light travelling from a medium to medium separated by a plane interface. If the light un…
A biconvex lens is formed by using two thin planoconvex lenses, as shown in the figure. The refract…
For a transparent prism, if the angle of minimum deviation is equal to its refracting angle, the re…
Distance between an object and three times magnified real image is 40 cm . The focal length of the …