A ray of light is incident on a glass sphere of refractive index 3//2 What should be the angle of incidence so that the ray which enters the sphere does not come out of the sphere?

A ray of light is incident on a glass sphere of refractive index 3//2

1.	A ray of light is incident on a glass sphere of refractive index 3//2 What should be the angle of incidence so that the ray which enters the sphere does not come out of the sphere?
Answer» <html><body><p>`tan^-1(2//3)`<br/>`sin^-1(2//3)`<br/>`<a href="https://interviewquestions.tuteehub.com/tag/90-341351" style="font-weight:bold;" target="_blank" title="Click to know more about 90">90</a>^@`<br/>`cos^-1(1//3)`</p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a></body></html>