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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
- A block of mass 10 kg is moving in X-direction with a constant speed of 10 ms⁻¹
- A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
- Sound waves travel at 350m/s through a warm air and at 3500 m/s through brass
- The surface tension of soap solution is 0.03 N/m. The work done in blowing to form a soap
- Four indentical thin rods each of mass M and length l, form a square frame
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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