A sonometer is a diagnostic instrument used
to measure the tension, frequency or density of vibrations
. They are used in medical settings to test both hearing and bone density.
How do you make a Sonometer?
- Place the sonometer on the table.
- Make sure that the pulley is frictionless. …
- Stretch the wire by placing a suitable maximum load on the weight hanger.
- Move the wooden bridges outward, so that the length of wire between the bridges is maximum.
- Take a tuning fork of known frequency.
Which material is used for Sonometer wire?
Sonometer wire is made of
soft iron
for better results.
Which of the following is a factor on which the frequency of a stretched string depends *?
The frequency of vibration of a stretched string(f) depends on
length(l), tension(T) and mass per unit length(m) of the string
.
What happens to the resonating length of the stretched string in Sonometer when the mass of the slotted weight increases?
What happens to the resonating length of the stretched string when the mass of the slotted weight increases?
Resonating length decreases
.
What is the principle of Sonometer?
Sonometer is basically used to study the relationship between frequency, tension , linear mass density and length of a stretched string. A Sonometer is a device based on the principle of
Resonance
. It is used to verify the laws of vibration of stretched string and also to determine the frequency of a tuning fork.
What is the first law of Sonometer?
Use of Sonometer to Verify the
Law of Mass
:
If the vibrating length and tension in the string remain constant then, the frequency of transverse vibration of a stretched string is inversely proportional to the square root of its mass per unit length.
Why is it called Sonometer?
Answer: Sonometre is made from two words Sono + metre. Sono means sound. Thus sonometre is
an device used to measure frequency of sound wave.
What is a Sono meter?
A Sonometer is
a device for demonstrating the relationship between the frequency of the sound produced by a plucked string
, and the tension, length and mass per unit length of the string.
What is the law of length?
Law of length:
The fundamental frequency of vibrations of a string is inversely proportional to the length of the vibrating string
if tension and mass per unit length are constant.
What is the frequency symbol?
See also: CLICK, LAW OF UNCERTAINTY. Frequency is denoted by the
symbol f
, and is measured in hertz (Hz) – formerly called cycles per second (cps or c/s) – kilohertz (kHz), or megahertz (mHz). See diagrams under RADIO SPECTRUM, SIMPLE HARMONIC MOTION, SPECTRUM.
What is the fundamental frequency of a string?
The lowest resonance frequency (n=1)
is known as the fundamental frequency for the string. All the higher frequencies are known as harmonics – these are integer multiples of the fundamental frequency. All stringed musical intruments have strings fixed at both ends.
What is the dimensional formula of frequency?
| Physical quantity Unit Dimensional formula | Frequency (1/period) Hz T – 1 | Gravitational potential (work/mass) Jkg – 1 L 2 T – 2 | Heat (energy) J or calorie ML 2 T – 2 | Illumination (Illuminance) lux (lumen/metre 2 ) MT – 3 |
|---|
What happens to the frequency of a stretched wire?
No change in the frequency
.
What are the laws of vibrating strings?
Law of length
: The fundamental frequency of vibrations of a string is inversely proportional to the length of the vibrating string if tension and mass per unit length are constant.
How do you do Resonance columns in an experiment?
- Fill the tube nearly full of water. …
- Using the moveable water reservoir, lower the water surface slowly, listening for amplification of the tone. …
- Lower the water further to find the next resonant length. …
- Repeat the procedure for the other tuning forks supplied.
