# Vibration & Fundamental Frequency – Physics Quiz

### Fundamental Frequency, Vibration, Constants

The Key terms of this Physics quiz include Fundamental Frequency, Energy, Vibration, Average.

del J=+1 are called the

R branch

fundamental frequency

V0=1/2π√k/m

energy of the lowest state

£0=1/2V0

vibrational quant number expressing the energy in

cm^-1

dissociation energy is

De is the dissociation energy

anharmonic constants is

Xe is the anharmonic constant

Norms

Can be used to evaluate clients with communication disorders.

F0

##### Fundamental frequency

Fundamental frequency

Equal to the rate of vibration of the vocal folds

Average fundamental frequency

Mean of all F0 values across the length of a specified utterance

Speaking fundamental frequency (SFF)

Average F0 during conversational speech

Male

120 Hz

Female

220 Hz

Can not use interchangeably

Pitch and fundamental frequency

Puberty

Male larynx enlarges more than the female larynx

Large varierty

In both male and female average F0

F0 remains stable until about the:

Increase in F0

After the 6th decade of life males experience:

the selection rule

del V =+or-1

del J =-1 are called the

p branch

the frequency V0 is called

band centre

CO2 molecule is linear and will have ____________ normal vibrations

4

del J=+1 are called the

R branch

fundamental frequency

V0=1/2π√k/m

energy of the lowest state

£0=1/2V0

vibrational quant number expressing the energy in

cm^-1

del J=+1 are called the

R branch

fundamental frequency

V0=1/2π√k/m

energy of the lowest state

£0=1/2V0

vibrational quant number expressing the energy in

cm^-1

Male

120 Hz

Female

220 Hz

Can not use interchangeably

Pitch and fundamental frequency

Puberty

Male larynx enlarges more than the female larynx

Large varierty

In both male and female average F0

Norms

Can be used to evaluate clients with communication disorders.

F0

Fundamental frequency

Fundamental frequency

Equal to the rate of vibration of the vocal folds

Fundamental frequency

Equal to the rate of vibration of the vocal folds

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