'O' Level Standard Questions - RefractionQ9.
Snell's Law: nairsin θair= nwatersin θwater
1 x sin β = nwaterx sin α ∴ nwater= sin β/sinα = real depth/apparent depth nwater= 8.0/6.0 = 1.3
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'O' Level Standard Questions - RefractionQ9.
Snell's Law: nairsin θair= nwatersin θwater
1 x sin β = nwaterx sin α ∴ nwater= sin β/sinα = real depth/apparent depth nwater= 8.0/6.0 = 1.3
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