Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

Find the dispersion produced by a thin prism of $18^{\circ}$ having refractive index fro red light $= 1.56$ and for violet light $=1.68$

$(a)\;5.67 \\ (b)\;1.92 \\ (c)\;3.24 \\ (d)\;2.16 $

Can you answer this question?

1 Answer

0 votes
We know that dispersion produced by a thin prison $\theta = ( \mu_v -\mu _R)A$
Here $\mu_v =1.68, \mu_R=1.56$ and $A= 18^{\circ}$
$\theta= (1.68-1.56) \times 18^{\circ}$
$\qquad= 2.16$
Hence d is the correct answer.
answered Feb 12, 2014 by meena.p

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App