Two waves represented by the following equations are travelling in the – McqOptions

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1.	Two waves represented by the following equations are travelling in the same medium \[{{y}_{1}}=5\sin 2\pi (75t-0.25x)\], \[{{y}_{2}}=10\sin 2\pi (150t-0.50x)\] The intensity ratio \[{{I}_{1}}/{{I}_{2}}\] of the two waves is [UPSEAT 2002]
A.	1 : 2
B.	1 : 4
C.	1 : 8
D.	1 : 16
Answer» C. 1 : 8

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