Search SchoolNGR

Friday, 03 April 2026
Register . Login

A sonometer wire of length 100cm under a tension of 10N, has a frequency of 250Hz. ...

A sonometer wire of length 100cm under a tension of 10N, has a frequency of 250Hz. Keeping the length of the wire constant, the tension is adjusted to produce a new frequency of 350Hz. The new tension is
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 5.1N
  • B 7.1N
  • C 14.0N
  • D 19.6N
Correct Answer: Option D
Explanation:
\(\frac{F_1}{F_2}\) = \(\sqrt\frac{T_1}{T_2}\)
\(\frac{250}{350}\) = \(\sqrt\frac{10}{T_2}\)
T2 = 19.6N

Share question on: