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

WAEC 1990

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?

A. sin50^o/sin40^o
B. sin40^osin50^o
C. sin90^o/sin50^o
D. sin40^o/sin90^o
E. sin90^o/sin40^o

WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076

WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts

Correct Answer: Option E

Explanation

No official explanation is available for this question at this time. Please check contributions posted by others below. If you can provide an explanation to help other student learn, please click here

Previous Next

Go back to Phy classroom

Report an Error Ask A Question Download App