A child while playing with his father's spectaclesburnt a hole in a pi

1.	A child while playing with his father's spectaclesburnt a hole in a piece of them tissue paper byfocusing the image of the Sun on at.(a) Name the defect of vision his father is sufferingform(b) List two causes of the defect.(c) Draw a ray diagram to show how this defect maybe corrected using a suitable lens.
Answer» Convex lens is also called as converging lens as it can converge the refracted rays at one point on principal axis called Focus . It's clear that child used spectacles having convex lens to burn paper as it focussed Sunrays at a point. Conclusion:Child's father is suffer with hypermetropia where he can see far things clearly and finds difficulty in seeing near things Corrective measures used for eyedefect: Doctor suggest convex lens spectacles. Please hit a like if you find it useful

A child while playing with his father's spectaclesburnt a hole in a piece of them tissue paper byfocusing the image of the Sun on at.(a) Name the defect of vision his father is sufferingform(b) List two causes of the defect.(c) Draw a ray diagram to show how this defect maybe corrected using a suitable lens.

Answer»

Convex lens is also called as converging lens as it can converge the refracted rays at one point on principal axis called Focus .

It's clear that child used spectacles having convex lens to burn paper as it focussed Sunrays at a point.

Conclusion:Child's father is suffer with hypermetropia where he can see far things clearly and finds difficulty in seeing near things Corrective measures used for eyedefect: Doctor suggest convex lens spectacles.

Please hit a like if you find it useful

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