green and red coloured rays incident normally on a right angled prism. The critical angles of the material of the prism for red
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Figure shows a mixture of blue, green and red coloured rays incident normally on a right angled prism. The critical angles of the material of the prism for red, green and blue are 46^o , 44^o and 43^o respectively. The arrangement will separate : 44^o and 43^o respectively. The arrangement will separate : Figure shows [...]