FORMULAE
Cylinder
Curved surface area of cylinder = 2Πrh
Total surface area of cylinder = 2Πr(h + r)
Volume of cylinder = Πr2h
Cone
Curved surface area of cone = Πrl
Total surface...
What is the radious of human eye?
About 2.3 cm
Which act as a screen in eye?
Retina
What is the work of lense in eye?
To put the image on retina
Who control the expansion and contraction of eye lense?
Ciliary muscle