(a)A student cannot see clearly a chart hanging on a wall placed at a distance of 3m from his eyes. Name the defect of vision he is suffering from .Draw a ray diagram to illustrate this defect. List its two possible causes. (b)Draw a ray diagram to show how this defect may be corrected using a lens of appropriate focal length. (c)An eye donation camp is being organized by social workers in your locality. How why would u help in this cause?
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Answered by
93
he suffers from myopia....
causes:excessive curvature of eye lens.,elongation of eye ball,decreased focal length of the eye lens...
(both the diagrams in the textbook-ncert class 10th..)
c)write certain values of donation of eye...and add the contents of ncert textbook also..(yellow box)
causes:excessive curvature of eye lens.,elongation of eye ball,decreased focal length of the eye lens...
(both the diagrams in the textbook-ncert class 10th..)
c)write certain values of donation of eye...and add the contents of ncert textbook also..(yellow box)
Answered by
75
The person is suffering from myopia i.e., near sightedness. (a) (b) (c) we can donate our eyes so that others can get a new life by us.
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