Class 10, Physics, Ch- Human eye and its colourful world..
NCERT book...
# Numericals on defects of vision.
The far point of a short sighted person is 90cm in front of the eye. Calculate the power of the lens and the nature of the lens required by him .
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The far point of a myopic person is 80 cm in front of the eye. What is the nature and power of the lens required to correct
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