Gce Model Questions Vol1 2018 Physics Question 50

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

Gce Model Questions Vol1 2018 Physics Objective / Multiple Choice Medium Difficulty
Question 50 GCE_MODEL_QUESTIONS_VOL1 • 2018 • PHYSICS • objective

A tube closed at one end resonates with a tuning fork of frequency 440 Hz. At a room temperature of 20 °C the first resonance occurs when the length of the air column is 0.195 m. (a) Calculate the speed of sound in the air at 20 °C. (b) If the temperature is raised to 35 °C, what length of the tube will now correspond to the first resonance? (Assume the tube length can be adjusted.)

Answer Options

A. (a) 3.00×10^2 m s⁻¹, (b) 0.18 m
B. (a) 3.60×10^2 m s⁻¹, (b) 0.22 m
Correct Answer C. (a) 3.43×10^2 m s⁻¹, (b) 0.20 m
D. (a) 3.50×10^2 m s⁻¹, (b) 0.19 m
Correct Answer
C
Correct Option:
(a) 3.43×10^2 m s⁻¹, (b) 0.20 m

About This Question

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

Difficulty level: Medium .

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