Traveling from air to crown glass:

1st index is 1

2nd index is 1.523

Formula:

(Index material 1 – Index material 2 )2

(Index material 1 + Index material 2 )2

(1 - 1.523)2

(1 + 1.523)2

(-0.523)2 = 0.2735..

(2.523)2 6.3655..

= 0.04296….

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