Neco Model Questions Vol1 2018 Physics Question 50

Practice objective / multiple choice question 50 from the 2018 Neco Model Questions Vol1 Physics examination.

Neco Model Questions Vol1 2018 Physics Objective / Multiple Choice Medium Difficulty
Question 50 NECO_MODEL_QUESTIONS_VOL1 • 2018 • PHYSICS • objective

A closed cylindrical pipe resonates at its fundamental frequency of \(256\ \text{Hz}\) when the air temperature is \(20^{\circ}\text{C}\). (i) Find the length of the pipe. (ii) The pipe is then heated to \(40^{\circ}\text{C}\). Determine the new fundamental frequency. (iii) Calculate the beat frequency between the original and the new fundamental frequencies.

Answer Options

Correct Answer A. 0.335 m, 266 Hz, 10 Hz
B. 0.330 m, 270 Hz, 14 Hz
C. 0.340 m, 260 Hz, 6 Hz
D. 0.345 m, 272 Hz, 16 Hz
Correct Answer
A
Correct Option:
0.335 m, 266 Hz, 10 Hz

About This Question

This is Neco Model Questions Vol1 2018 Physics Question 50. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Physics examination.

Difficulty level: Medium .

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