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For the normal eye, the cornea of eye provides a converging power of 40D and the least converging power of the eye lens behind the cornea is 20D. Using this information, the distance between the retina and the eye lens of the eye can be estimated to be:
Options
(a) 2.5 cm
(b) 1.67 cm
(c) 1.5 cm
(d) 5 cm
Correct Answer:
2.5 cm
Explanation:
1/f = 1/v – 1/u
= 1/ 1 / 40 = 1/u
u = 1/40 m = 2.5 m
Related Questions: - In a n-type semiconductor, which of the following statement is true?
- A coil has an area of 0.05 m² and it has 800 turns. It is placed perpendicularly
- The order of the electric field near the earth’s surface is
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a n-type semiconductor, which of the following statement is true?
- A coil has an area of 0.05 m² and it has 800 turns. It is placed perpendicularly
- The order of the electric field near the earth’s surface is
- In the given figure, a diode D is connected to an external resistance R=100 Ω
- Two cars A and B moving with same speed of 45 km/hr along same direction.
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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