A wavefront AB moving in air is incident on a plane glass surface XY as given in figure.Its position CD after refraction through the glass slab is shown along with normals A to D. The refractive index of glass w.r.t.air is given by :

A wavefront AB moving in air is incident on a plane glass surface XY a

1.	A wavefront AB moving in air is incident on a plane glass surface XY as given in figure.Its position CD after refraction through the glass slab is shown along with normals A to D. The refractive index of glass w.r.t.air is given by :
Answer» <html><body><p>`(BD)/(AC)`<br/>`(sin theta)/(sin phi)`<br/>`(sin phi)/(sin theta)`<br/>`(AB)/(<a href="https://interviewquestions.tuteehub.com/tag/cd-407381" style="font-weight:bold;" target="_blank" title="Click to know more about CD">CD</a>)`</p>Solution :`<a href="https://interviewquestions.tuteehub.com/tag/mu-566056" style="font-weight:bold;" target="_blank" title="Click to know more about MU">MU</a> = (sin i)/(sin <a href="https://interviewquestions.tuteehub.com/tag/r-611811" style="font-weight:bold;" target="_blank" title="Click to know more about R">R</a>)` , here i = `theta` and r = `phi`<br/> `therefore mu= (sin theta)/(sin phi)`</body></html>

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A wavefront AB moving in air is incident on a plane glass surface XY as given in figure.Its position CD after refraction through the glass slab is shown along with normals A to D. The refractive index of glass w.r.t.air is given by :

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