Two waves of amplitude 0.3 m and 0.5 m interfere constructively. The resultant intensity is _______?: a. 0.0225 W/sq.m b. 0.64 W/sq.m c. 2.78 W/sq.m d. 0.49 W/sq.m

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Q12) Two waves of amplitude 0.3 m and 0.5 m interfere constructively. The resultant intensity is _______?: a. 0.0225 W/sq.m b. 0.64 W/sq.m c. 2.78 W/sq.m d. 0.49 W/sq.m
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