heyyitsstatiic heyyitsstatiic
  • 06-03-2017
  • Physics
contestada

What type of optical device can be used to correct farsightedness?

A. Any lens
B. A convex lens
C. A concave lens
D. Any convex device

Respuesta :

Vespertilio Vespertilio
  • 21-07-2019

Answer:

Option (B )

Explanation:

Farsighted Ness is the defect of vision in which a person is not able to see the nearby devices but can see the far off objects clearly.

In this case the rays of light focus behind the retina.

To correct this defect the person should use convex lens of suitable focal length.

Answer Link
xavieramaro57 xavieramaro57
  • 12-12-2020

Answer: A

Explanation: i got it wrong and it says its the answer is: A concave lens

Answer Link

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