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The pressure exerted by an electromagnetic wave of intensity I (watt / m2) on a non reflecting surface is [c is the velocity of light ]

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The pressure exerted by an electromagnetic wave of intensity I (watt / m2) on a non reflecting surface is [c is the velocity of light ]

(a)  Ic

(b)   Ic2

(c)   I/c

(d)   I/c2

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Correct option (c)   I/c

Explanation:

 Pressure = Force/area

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