Physics, asked by sah97009, 10 months ago

Why here v is taken negative? Sice the lens is convex then also

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Answered by nirman95
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v is taken negative as the corrective lens in the spectacles will first form a virtual image in front of the eye lens. This virtual image will act as an object to produce the image on the retina.

See the photo of ray diagram in your book. You will understand more clearly.

Hope you will be able to understand.

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