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Two identical straight wires are stretched so as to produce 6 beats per second when tension slightly in one of them, the beat frequency remains unchanged. Denoting by T1 and T2 the higher and lower initial tension in the strings, then it could be said that while making the above changes in tension (a) T2 was decreased (b) T2 was increased (c) T1 was decreased (d) Both (b) and (c)

Two identical straight wires are stretched so as to produce 6 beats per second when tension slightly in one of them, the beat frequency remains unchanged. Denoting by T1 and T2 the higher and lower initial tension in the strings, then it could be said that while making the above changes in tension
(a) T2 was decreased
(b) T2 was increased
(c) T1 was decreased
(d) Both (b) and (c)

Grade:Upto college level

3 Answers

Arun
25763 Points
11 months ago
f1f2=6Hz, and T1>T2,
 
if we want to make some change in pressure to regain the beat frequency.
 
therefore the possible way to get is loose the tension T1 or increase 
the tension in T2.
 
option "A" is correct.
Arun
25763 Points
11 months ago
 
Dear student
 
f1f2=6Hz, and T1>T2,
 
if we want to make some change in pressure to regain the beat frequency.
 
therefore the possible way to get is loose the tension T1 or increase 
the tension in T2.
 
option "A" is correct.
 
Hope it helps
Vikas TU
14149 Points
11 months ago
DEra student 

Solution :
Eithere , frequency of first wire should decrease or frequency of second wire should increase.
D is correct option.
 

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