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The angle of incidence of a ray of light striking an equilateral triangular prisms ABC...

The angle of incidence of a ray of light striking an equilateral triangular prisms ABC of refracting angle 60 degrees is 40 degrees. Calculate
i) the angle of refraction at the first face
ii) the angle of emergence
iii) if the light is incident normally on the first face AB, describe with the aid of diagram, what is the fate of this light as it passes through the prisms?
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Asked by Hafsah on 13th February, 2021
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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WAEC offline past questions - with all answers and explanations in one app - Download for free
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts