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Q: Is the hearing threshold constant for all normal persons?
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What is the range of the threshold of human hearing and the threshold of pain?

It varies from person to person. However - an accepted 'normal' hearing range is around 20 Hz to 20,000 Hz. The same goes for pain threshold - anything over 120 dB would certainly be uncomfortable for most people.


What is the hearing threshold of humans?

At the threshold of hearing the sound intensity is 10-12 watts per square meter equivalent to 0 dB. Our eardrums are moved by sound pressure variations and so are microphone diaphragms. Forget the intensity! At the threshold of hearing the sound pressure is 2x10-5 pascals or 2x10-5 newtons per square meters, equal to 0 dBSPL.


What are sound waves with frequencies above the normal human range of hearing?

Sound waves with frequencies above the normal human range of hearing are called ultrasoundUltrasoundUltrasonic for frequencies higher than a human can hear, and infrasonic for those frequencies below the human threshold of hearing.


Sound waves with frequencies above the normal human range of hearing are called what?

Sound waves with frequencies above the normal human range of hearing are called ultrasoundUltrasoundUltrasonic for frequencies higher than a human can hear, and infrasonic for those frequencies below the human threshold of hearing.


What is meant by surpassing the renal threshold?

Type your answer here... It is nothing but surpassing the renal threshold of an individual above the threshold which was normal to that person in certain period.


If a hearing threshold were at 50 dB HL by air conduction and 5 dB HL by bone conduction what type of hearing loss exists?

Conductive, assuming the scores represent the same ear. The bone conduction is within normal limits while the air conduction score represents a mild to moderate loss.


Information processed below the normal threshold of awareness is called?

subliminal


A noise level of 65 decibels is measured for?

A noise level that measures 65 decibels is for a normal conversation on the noise scale. On this scale, 0 decibel is the threshold of hearing and 140 decibels is a jet plane at a distance of about 50 meters away.


What is the normal range of hearing for a elephant?

Elephants have very good hearing and sense of smell, but poor eye-sight. Their normal hearing range depends on the volume of sound.


How do you use threshold in a sentence?

The handsome groom carried his new bride over the threshold on their wedding night. In 1492, Europe was on the threshold of a new era in world exploration. The girl barely met the threshold for normal height and weight ranges.


What is an audiogram?

A graphic representation of one's hearing ability compared to normal hearing


How can hearing be tested?

Hearing can be tested by a tests called audiometric tests, in which the patient is subjected to sounds of varying frequency and intensity and the amount of intensity that has to be raised above the normal level for that particular frequency is plotted on a chart.By this test, the threshold of hearing by air and bone conduction can be known and also type and degree of hearing loss can be assessed. There are various other clinical tests for hearing like finger friction test, watch test, voice test (these are obsolete now) and tuning fork tests- Weber's and Rinne's test.