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Q.

For transverse wave on a string 

 

Column I

 

Column II

i)If amplitude increasesa)Maximum instantaneous power increases
ii)If frequency increasesb)Average power increases
iii)If amplitude decreasesc)Maximum instantaneous power decreases
iv)If frequency decreasesd)Average power decreases

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a

i→a, ii→b,iii→c,iv-d

b

i→a,b,ii→a,b,iii – c, d,iv→c,d

c

 i→b, ii→a,iii→c,iv→d

d

None of above

answer is B.

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Detailed Solution

power αf2A2 

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