1.

At what angle does a diver see the setting sun ?

Answer»

At about `41^(@)` to the horizon
At about `49^(@)` to the horizon
At about `60^(@)` to the horizon
At about `90^(@)` to the horizon

Solution :(b)

`MU = (4)/(3) = (1)/(sinC)`
`sin C = (3)/(4)`
`THEREFORE C = 90^(@) - 41^(@) = 49^(@)`


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