ICSE Class 10 Answered
Why light travels undeviated throgh the optical centre
Asked by ayush421301 | 09 Nov, 2019, 12:56: AM
Expert Answer
At optical centre , small part of the lens is having negligible curvature and behaving like glass slab.
We know, when light enters a glass slab, there is no deviation after refraction,
but only lateral shift that depends on thickness of slab.
Hence when light enters optical centre of lens, since the thickness of lens is small, there is no deviation of light
Answered by Thiyagarajan K | 09 Nov, 2019, 08:25: AM
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