3 /Give a proper answer to the following question required Do any Correction if needed. 1....

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3 /Give a proper answer to the following question required Do any Correction if needed. 1. A beam of light is direction toward the water safface (n=1.33) from below the beam is water-air interface at 20° At what angle it emerge into. incident at the the air? 2-The harmonic Sperical wave is given by the following equation y (r, t) = ( A ) ³K (Y±wt) e wherein the Constant A is called amplitude of any Spherical wave. 3 /Give a proper answer to the following question required Do any Correction if needed. 1. A beam of light is direction toward the water safface (n=1.33) from below the beam is water-air interface at 20° At what angle it emerge into. incident at the the air? 2-The harmonic Sperical wave is given by the following equation y (r, t) = ( A ) ³K (Y±wt) e wherein the Constant A is called amplitude of any Spherical wave.

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