Question

S
Question No. 27
A wire of length 'l' having tension T and radius 'r' vibrates with fundamental frequency' f' Another wire of the same metal with
length '2l' having tension 2T and radius 2r will vibrate with fundamental frequency​

Answer 1

Answer:

Mehtab khan jogipur my family patila

Answer 2

Answer:

Given : length has doubled so λ becomes double

so,

λ

2

λ

1

=

2

1

−(1)

frequency (f)=

λ

1

v

1

=

λ

1

T/ρπr

2

frequency in another wire =

λ

2

v

2

=

λ

2

ρπ(2r)

2

2T

so,

f

,

f

=

λ

2

v

2

λ

1

v

1

ρπ(2r)

2

λ

2

2T

ρπ(r)

2

λ

1

T

=

1

2

×

λ

1

λ

2

=

2

×2 (From (1))

so,f

,

=

2

2

f