JEE · NEET Previous Year Question
Five persons and recorded object distance and image distance using same convex lens having power +5 D as and respectively. Identify correct statement
Topic: JEE PYQ
Answer: D. Full step-by-step solution below.
- AReadings recorded by and persons are incorrect
- BReadings recorded by and persons are incorrect
- CReadings recorded by all persons are correct
- DReadings recorded by person are incorrect
Correct answer: D
Solution
(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.
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