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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Near and far points

Jamb Physics Questions - Near and far points

Question 1:
For the correction of myopic defects in the human eye we require
  • A A convex lens
  • B A concave lens
  • C A combination of concave and convex lenses
  • D A prism
  • E A concave mirror
View Answer & Explanation
Question 2:
A man wears convex lens glasses of focal length 30cm in order to correct his eye defect. instead of the optimum 25cm, his least distance of distinct vision is
  • A 14cm
  • B 28cm
  • C 75cm
  • D 150cm
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Question 3:
A person can focus an object only when it lies within 200cm from him. Which spectacles should be used to increase his maximum distance of distinct vision infinity
  • A Convex lens
  • B Binoculars
  • C Concave lens
  • D Plane glasses
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Question 4:
A person can focus objects when they lie beyond 75 cm from his eyes. The focal length of the lens required to reduce his least distance of distinct vision to 25 cm is?
  • A 37.50 cm
  • B 75.00 cm
  • C 18.75
  • D 25.00 cm
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Question 5:
The near point of a patient's eye is 50.0 cm. What power (in diopters) must a corrective lens have to enable the eye to see clearly an object 25.0 cm away?
  • A 2 diopters
  • B 2.5 diopters
  • C 0.5 diopters
  • D 3 diopters
View Answer & Explanation