Neco Model Questions Vol1 2019 Physics Question 12

Practice objective / multiple choice question 12 from the 2019 Neco Model Questions Vol1 Physics examination.

Neco Model Questions Vol1 2019 Physics Objective / Multiple Choice Medium Difficulty
Question 12 NECO_MODEL_QUESTIONS_VOL1 • 2019 • PHYSICS • objective

A string under tension vibrates in its fundamental mode with a frequency of 120 Hz. When the tension is increased, the frequency of the third harmonic becomes 540 Hz. Assuming the string's linear mass density remains unchanged, determine the percentage increase in the tension required to produce this change. Give your answer as a whole‑number percentage.

Answer Options

A. 150
B. 100
Correct Answer C. 125
D. 75
Correct Answer
C
Correct Option:
125

About This Question

This is Neco Model Questions Vol1 2019 Physics Question 12. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Physics examination.

Difficulty level: Medium .

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