Critical angle for total internal reflection will be smallest for light travelling from :
(1) Water to Glass
(2) Glass to Water
(3) Glass of Air
(4) Water to Air
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Critical angle for total internal reflection will be smallest for light travelling from :
(1) Water to Glass
(2) Glass to Water
(3) Glass of Air
(4) Water to Air
Critical angle for total internal reflection will be smallest for light travelling from :
(1) Water to Glass
(2) Glass to Water
(3) Glass of Air
(4) Water to Air
(3) Glass of Air