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Calculate the angle of a prism of disper...

Calculate the angle of a prism of dispersive power `0.021` and refractive index `1.53` to form an achromatic combination with prism of angle `4.2^@`, and dispersive power `0.045`, having refractive index `1.65`. Find also the net deviation.

Text Solution

Verified by Experts

The correct Answer is:
`-11.04^(@)`
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