Tag: production and propagation of sound

Questions Related to production and propagation of sound

Which of the following voices is likely to have minimum frequency?

physics world of sounds sound produced by humans propagation of sound production and propagation of sound

  1. Baby girl

  2. Baby boy

  3. A man

  4. A woman

Show answer
Correct Option: C
Explanation:

A man’s sound is of the lower pitch as compared to the other options. And we know that pitch is directly proportional to the frequency of sound. So, the frequency of man’s voice will be the minimum among all the options.

The other name for larynx is

physics sound sound produced by humans propagation of sound production and propagation of sound

  1. voice processor

  2. voice modulator

  3. voice box

  4. voice generator

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Correct Option: C
Explanation:

Since the function of the larynx is to generate sound, its other name is voice box.

In humans, the sound is produced by:

physics sound sound produced by humans propagation of sound production and propagation of sound

  1. larynx

  2. wind pipe

  3. vocal cords

  4. lungs

Show answer
Correct Option: A
Explanation:

    Sound in human body  is produced by larynx , it is an organ in the neck which controls the pitch and volume of sound and also blocks food to go through trachea . 

We, humans, produce sound by using

physics sound sound produced by humans propagation of sound production and propagation of sound

  1. oesophagus

  2. larynx

  3. thyroid Gland

  4. mouth

Show answer
Correct Option: B
Explanation:

Larynx is known as the voice box. It is located at the upper end of the windpipe. The vocal cords stretch the larynx in such a way that a passage is created between them. When air passes through this passage the vocal cords vibrate and produce sound.

What is the name of the strings which vibrate in our voice box when we talk?

physics sound sound produced by humans propagation of sound production and propagation of sound

  1. Oesophagus

  2. Pharyngeal slits

  3. Vocal cords

  4. None of these

Show answer
Correct Option: C
Explanation:

When we talk, vibrations are produced in our vocal cord. When we touch our throat we can feel the vibrations.

Wavelength is expressed in:

physics sound sound produced by humans propagation of sound production and propagation of sound

  1. $N$

  2. $erg$

  3. $dyne$

  4. $A^0$

Show answer
Correct Option: D
Explanation:

Wavelength, being a quantity of dimension of length, is expressed in $A^0$, i.e., angstroms.

$1\ A^0=10^{-10}\ m$

The voices of men, women and children are different due to difference in:

physics world of sounds sound produced by humans propagation of sound production and propagation of sound

  1. larynx

  2. lungs

  3. vocal coards

  4. wind pipe

Show answer
Correct Option: C
Explanation:

Larynx is responsible for production of sound , and vocal chords are placed inside the larynx , which are responsible for shrill and grave sound , that makes the sound of a lady shrill and of a man , grave .

Lungs filters the oxygen from air .
Wind pipe is the path of air towards the lungs .

Vocal cords in men are about ____ long.

physics world of sounds sound produced by humans propagation of sound production and propagation of sound

  1. 20 mm

  2. 20 cm

  3. 20 m 

  4. 15 cm 

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Correct Option: A
Explanation:

The vocal cords in men are of 20 mm long. 

State whether true or false.
The other name for the voice box in humans is Larynx.

physics world of sounds sound produced by humans propagation of sound production and propagation of sound

  1. True

  2. False

Show answer
Correct Option: A
Explanation:

Larynx is the portion of the respiratory tract containing the vocal cords which produce sound. It is located between the pharynx and the trachea. The larynx is also called as the voice box.

What is the name of the strings which vibrate in our voice box when we talk?

physics world of sounds sound produced by humans propagation of sound production and propagation of sound

  1. oesophagus

  2. pharyngeal slits

  3. vocal cords

  4. all

Show answer
Correct Option: C
Explanation:

The name of the strings which vibrate in our voice box when we talk is vocal cords. These are two bands of elastic tissue located side by side in the voice box (larynx) just above the trachea.