The diagram above shows an incident ray A, inclined at angle of 50o to the interface CB. The ray OB is found to lie along the surface. What is the refractive index of the medium X with respect to air?

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The diagram above shows an incident ray A, inclined at angle of 50o to the interface ...

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The diagram above shows an incident ray A, inclined at angle of 50^o to the interface CB. The ray OB is found to lie along the surface. What is the refractive index of the medium X with respect to air?

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A Sin50^o/sin40^o
B Sin40^osin50^o
C Sin90^o/sin50^o
D Sin40^o/sin90^o
E Sin90^o/sin40^o

Correct Answer: Option E

Explanation:

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The diagram above shows an incident ray A, inclined at angle of 50o to the interface ...

Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

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