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An eye specialist prescribes spectacles having a combination of a convex lens of focal length 40 cm in contact with a concave lens of focal length 25 cm. The power of this lens combination is
  • a)
    + 1.5 D
  • b)
    + 6.67 D
  • c)
    - 6.67 D
  • d)
    - 1.5 D
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
An eye specialist prescribes spectacles having a combination of a conv...
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An eye specialist prescribes spectacles having a combination of a convex lens of focal length 40 cm in contact with a concave lens of focal length 25 cm. The power of this lens combination isa)+ 1.5 Db)+ 6.67 Dc)- 6.67 Dd)- 1.5 DCorrect answer is option 'D'. Can you explain this answer?
Question Description
An eye specialist prescribes spectacles having a combination of a convex lens of focal length 40 cm in contact with a concave lens of focal length 25 cm. The power of this lens combination isa)+ 1.5 Db)+ 6.67 Dc)- 6.67 Dd)- 1.5 DCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about An eye specialist prescribes spectacles having a combination of a convex lens of focal length 40 cm in contact with a concave lens of focal length 25 cm. The power of this lens combination isa)+ 1.5 Db)+ 6.67 Dc)- 6.67 Dd)- 1.5 DCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An eye specialist prescribes spectacles having a combination of a convex lens of focal length 40 cm in contact with a concave lens of focal length 25 cm. The power of this lens combination isa)+ 1.5 Db)+ 6.67 Dc)- 6.67 Dd)- 1.5 DCorrect answer is option 'D'. Can you explain this answer?.
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