Advertisements
Advertisements
Question
Give scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
Advertisements
Solution
When the windows rattle, at that moment, its natural frequency corresponds with the frequency with which the low notes of a pipe organ are sounded. Thus, resonance takes place which makes the windows to vibrate violently.
APPEARS IN
RELATED QUESTIONS
A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.
An enemy plane is at a distance of 300 km from a radar. In how much time the radar will be able to detect the plane? Take velocity of radio waves as 3 x 108 ms-1
Name the phenomenon that causes a loud sound when the stem of a vibrating tuning fork is kept pressed on the surface of a table.
The frequency is measured in second.
Decibel is the unit of pitch of a sound.
The pitch of a stringed instrument is increased by .................. tension in string.
Two waves of the same pitch have amplitudes in the ratio 1 : 3 What will be the ratio of their
- loudness,
- pitch?
Name three characteristics of a musical sound.
What determines the pitch of a sound?
______ is a general term for the distinguishable characteristic of a wave.
