Advertisements
Advertisements
Question
The frequencies of notes given by flute, guitar and trumpet are respectively 400 Hz, 200 Hz and 500 Hz. Which one of these has the highest pitch?
Advertisements
Solution
Trumpet. Because its frequency is highest.
RELATED QUESTIONS
The ratio of the amplitudes of two waves is 3 : 4. What is the ratio of their loudness?
In which units is the loudness of sound measured?
A person is standing at the seashore. An observer on the ship which is anchored in between a vertical cliff and the person on the shore fires a gun. The person on the shore hears two sounds, 2 seconds and 3 seconds after seeing the smoke of the fired gun. If the speed of sound in the air is 320 ms-1 then calculate:
1) the distance between the observer on the ship and the person on the shore.
2) the distance between the cliff and the observer on the ship.

A tuning fork produces sound of ................... frequency.
Figure shows four waves A, B, C, and D

Name the wave which shows
(a) a note from a musical instrument,
(b) a soft note
(c) a shrill note.
Give scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
Name the subjective property of light related to its wavelength.
How does frequency affect a musical sound?
When a gun is fired at a distance, why is it that the flash is seen almost instantaneously while the sound is heard a little later?
How is it possible to detect the filling of a pitcher under a tap by hearing its sound at a distance?
