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Cataract
Bi-focal lens
Seven
Dispersion
Scattering of light
Name the common problem in eye that evolves at old age.
Cataract
Cataract
See lessName the type of lens used for correcting two different refractive errors?
Bi-focal lens
Bi-focal lens
See lessHow many colours evolve when white light disperses?
Seven
Seven
See lessWhat happens when white light falls on a prism?
Dispersion
Dispersion
See lessWhat is the phenomena responsible for the blue colour of sky?
Scattering of light
Scattering of light
See less