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Calculate the dispersive power for crown...

Calculate the dispersive power for crown glass from the given data
`mu_(v)=1.523` and `mu_(r)=1.5145`.

A

0.01639

B

1.05639

C

0.05639

D

2.05639

Text Solution

Verified by Experts

The correct Answer is:
A
Here, `mu_(V) = 1.523` and `mu_(R) = 1.51875`
Mean refractive index,
`mu = (1.523 + 1.5145)/2 =1.51875`
Dispersive power is given by
`omega=(mu_(V)-mu_(R))/(mu-1) = (1.523 -1.5145)/(1.51875-1)= 0.01639`
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