Neco 2025 Physics Question 13

Practice objective / multiple choice question 13 from the 2025 Neco Physics examination.

Neco 2025 Physics Objective / Multiple Choice Medium Difficulty
Question 13 NECO • 2025 • PHYSICS • objective

A tuning fork of frequency \(256\text{Hz}\) produces a standing wave in a string fixed at both ends. The string length is \(0.80\text{m}\). (a) Find the speed of the transverse wave for the fundamental mode. (b) If the tension is increased so that the wave speed becomes 20\% larger, what is the new fundamental frequency?

Answer Options

A. a) \\(400\\text{m s}^{-1}\\); b) \\(300\\text{Hz}\\)
B. a) \\(380\\text{m s}^{-1}\\); b) \\(295\\text{Hz}\\)
C. a) \\(420\\text{m s}^{-1}\\); b) \\(315\\text{Hz}\\)
Correct Answer D. a) \(410\text{m s}^{-1}\); b) \(307\text{Hz}\)
Correct Answer
D
Correct Option:
a) \(410\text{m s}^{-1}\); b) \(307\text{Hz}\)

About This Question

This is Neco 2025 Physics Question 13. It is one of the objective questions from the 2025 Neco Physics examination.

Difficulty level: Medium .

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