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A short linear object of length L lies on the axis of a spherical mirror of focal length f at a distance u form the mirror. Its image has an axial length L’ equal to
Options
(a) L[f/u-f] ¹∕₂
(b) L[u+f/f]¹∕₂
(c) L[u-f/f]²
(d) L[f/u-f]²
Correct Answer:
L[f/u-f]²
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV.
- A round disc of moment of inertia i₂ about its axis perpendicular to its plane
- If a solid ball of metal has a concentric spherical cavity with in it if the ball
- Which of the following is true for number of spectral lines in going from Lyman series
- Two forces of magnitude 8N and 15N respectively act at a point so as to make the resultant force
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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