| ⇦ | 
| ⇨ |
The equiconvex lens has focal length f. If it is cut perpendicular to the principal axis passing through optical centre, then focal length of each half is
Options
(a) f/2
(b) f
(c) 3f/2
(d) 2f
Correct Answer:
2f
Explanation:
When an equiconvex lens is cut parallel to principal axis, then focal length remains the same and when the lens is cut perpendicular to principal axis, then its focal length becomes twice the original.
Related Questions: - If the feedback voltage is increased in a negative feedback amplifier, then
- A block of mass 10 kg is moving in X-direction with a constant speed of 10 ms⁻¹
- In a mass spectrometer used for measuring the masses of ions, the ions
- In cyclotron, for a given magnet, radius of the semicircle traced by positive ion
- A nucleus ᵐₙ X emits one α- particle and two β- particles. The resulting nucleus is
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the feedback voltage is increased in a negative feedback amplifier, then
- A block of mass 10 kg is moving in X-direction with a constant speed of 10 ms⁻¹
- In a mass spectrometer used for measuring the masses of ions, the ions
- In cyclotron, for a given magnet, radius of the semicircle traced by positive ion
- A nucleus ᵐₙ X emits one α- particle and two β- particles. The resulting nucleus is
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