child while playing with his father spectacles when the hole in a piece of paper by focusing a small image of the sun on it one 1)what defect of vision his father is suffering from
2)write two causes office defects
3 )draw a diagram to show image formed by the defective
4) draw a diagram showing connecting I using proper lens
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1) Hypermetropia
2) Eyeball is too short, eye lens is too thin
2) Eyeball is too short, eye lens is too thin
srenithi59:
thank you so much
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