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As we know that
T = 2π √(L/g)
Squaring on both sides
T^2 = 4π^2 (L/g)
(2/11)^2 = 4 × L
Because 4π^2 = 9.8 and g= 9.8 so the cut down
Now
4/121 = 4L
1/121 = L
Answer:
[tex]\huge\underline\bold\red{♡AnsWeR♡}[/tex]
Now
[tex] \frac{4}{121} = 4l[/tex]
[tex] \frac{1}{120} l[/tex]