Physics Past Questions and Answers

In which of the following media does sound travel faster?

A Water
B Brass
C Air
D Wood

Question 2937:

A turning fork of frequency 600Hz is sounded over a closed resonance tube. If the first and second resonant positions are 0.130m and 0.413m respectively, calculate the speed of sound in air

A 508.4ms^-1
B 480.0ms^-1
C 339.6ms^-1
D 169.8ms^-1

Question 2938:

loudness increases as a vibrating tuning fork is brought nearer the end of a pipe containing air column due to

A Resonance
B Echo
C Reverberation
D Diffraction

Question 2939:

the factor which enables the ear to distinguish between a note played on different instruments is the

A Pitch
B Speed
C Harmonics
D Loudness

Question 2940:

An object is situated within the Earth's gravitational field. Which of the following factor does not affect the acceleration of free fall g?

A The distance of the object from the centre of the earth
B The latitude of the earth on which the object is situated
C Rotation of the earth
D The mass of the object