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QAIPMT-2006-Ph-2465: NEET 2006 Physics - Class 12 AIPMT-2006-Ph-2465 Solution: A convex lens and a concave lens, each having same focal length …
A convex lens and a concave lens, each having same focal length of 25 cm, are put in contact to form a combination of lenses. The power in diopters of the combination is
Multiple Choice Options
- A zero
- B 25
- C 50
- D infinite.
Step-by-Step Verified Solution
Power of combination in dioptres
P = P 1 + P 2
= 100 f 1 + 100 f 2
= 100 25 _ 100 25 = 0