| ⇦ | 
| ⇨ |
An object is placed at a distance of 10 cm from a co-axial combination of two lenses A and B in contact. The combination forms a real image three times the size of the object. If lens B is concave with a focal length of 30 cm. The nature and focal length of lens A is
Options
(a) convex, 12 cm
(b) concave,12 cm
(c) convex, 6 cm
(d) convex, 18 cm
Correct Answer:
convex, 6 cm
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The energy of the em waves is of the order of 15 keV. To which part of the spectrum
- A simple pendulum is suspended from the ceiling of a lift. When the lift is at rest
- In a circuit, L,C and R are connected in series with an alternating voltage source
- Tangent galvanometer is used to measure
- A spring when stretched by 2mm containing energy 4 J. If it is stretched
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The energy of the em waves is of the order of 15 keV. To which part of the spectrum
- A simple pendulum is suspended from the ceiling of a lift. When the lift is at rest
- In a circuit, L,C and R are connected in series with an alternating voltage source
- Tangent galvanometer is used to measure
- A spring when stretched by 2mm containing energy 4 J. If it is stretched
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