Myopia is corrected by using a lens that causes light rays to diverge before entering the eye. Concave lenses have a negative power and are thicker at the edges and thinner in the middle, causing light to diverge.
Myopia, also known as near-sightedness, can be corrected by use of :
Asked in OPSC CS Prelims 2015 · Topic: Optics (Optical Instruments: microscopes, telescopes, human eye)
More Physics questions
- Which of the following is used in fire alarm?
- Solar energy is converted into electric energy through
- Which of the following statements about optical microscope is/are correct? 1. Both the eyepiece and objective of a microscope are convex lenses. 2. The magnification of a microscope increases with increase in focal length of the objective. 3. The magnification of a microscope depends upon the length of the microscope tube. 4. The eyepiece of a microscope is a concave lens. Select the correct answer using the code given below.
- Which one of the following statements with regard to a short-sighted person is correct?
- Which part of human eye has the maximum refractive index?
- Which one of the following statements is not true for a person suffering from hypermetropia?
- The least distance of distinct vision is (cms.)
- A myopic eye can be corrected by using a