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CBSE Class 11-science Answered

calculate
Asked by shekhar14351 | 21 Feb, 2010, 08:41: PM
answered-by-expert Expert Answer

Dear Student

Refractive index of the prism material is given by

Where A=prism angle=30

delta m= deviation= 30

Refractive index of the material= sin 30/  sin 15    =1.9

i + e = A + delta   here i=incident angle and e- emergent angle

i=60 , A=30 ; delta=30==>    e=0

So light ray emerges perpendicular to AB

Regards

Team

Topperlearning.com

 

Answered by | 23 Feb, 2010, 05:52: PM
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