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The near point and far point of a person are 40 cm and 250 cm, respectively. Determine the power of the lens he/she should use while reading a book kept at distance 25 cm from the eye.
Options
(a) 2.5 D
(b) 5 D
(c) 1.5 D
(d) 3.5 D
Correct Answer:
1.5 D
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen
- The frequency of light ray having the wavelength 3000Å is
- A spherical shell of radius 10cm is carrying a charge q. If the electric potential
- An electric dipole is placed at an angle 30°with an electric field intensity 2×10⁵N/C.
- A wave travelling in the +ve x-direction having displacement along y-direction as 1m
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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