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Crystalline Lens

In #160;hum...

Question

$I n h u m a n e y e, t h e f o c u \sin g i s d o n e b y (a) t o a n d f r o m o v e m e n t o f e y e l e n s (b) t o a n d f r o m o v e m e n t o f t h e r e t i n a (c) c h a n g e i n t h e c o n v e x i t y o f t h e l e n s s u r f a c e (d) c h a n g e i n t h e r e f r a c t i v e i n d e x o f t h e e y e f l u i d s$

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Solution

Dear Student ,
Look as the eye lens can change its focal length , by focussing on an object whether its is closer or at some distance .
Regards

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