⇦ | ⇨ |
Two thin lenses when placed in contact, then the power of combination is +10 D. If they are kept 0.25 m apart, then the power reduces to +6 D. The focal lengths of the lenses (in m) will be
Options
(a) 0.5 and 0.125
(b) 0.5 and 0.75
(c) 0.125 and 0.75
(d) both have the same focal length 1.25
Correct Answer:
0.5 and 0.125
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A man goes 10 m towards north, then 20m towards east, the displacement is
- A body undergoes no change in volume. Poisson’s ratio is
- When two displacements represented by y₁=a sin(?t) are superimposed the motion is
- In a circuit, L,C and R are connected in series with an alternating voltage source
- The initial rate of increase of current, when a battery of emf 6 V is connected
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A man goes 10 m towards north, then 20m towards east, the displacement is
- A body undergoes no change in volume. Poisson’s ratio is
- When two displacements represented by y₁=a sin(?t) are superimposed the motion is
- In a circuit, L,C and R are connected in series with an alternating voltage source
- The initial rate of increase of current, when a battery of emf 6 V is connected
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply