a. Both A and Rare true and R is the correct explanation of A.
b. Both A and Rare true but R is NOT the correct explanation of A
c. A is true but Ris false.
d. A is false and R is also false
ASSERTION (A):
The displacement of the interfering light waves are yı= 4 sin wt and y2 = 3 sin (wt+) then
amplitude of resultant wave is 5 unit.
REASON (R):
Resultant amplitude ar = a + az
Where ai and az are amplitudes of the interfering waves.
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Answer:
A is true but R is false false
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