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प्रश्न
The unit of frequency is ______.
उत्तर
The unit of frequency is hertz (Hz).
Explanation:
Frequency is expressed in hertz. Its symbol is Hz. A frequency of 1 Hz is one oscillation per second. The frequency determines the shrillness or pitch of a sound.
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संबंधित प्रश्न
(i) Draw a well labelled diagram of the membranous labyrinth found in the inner ear.
(ii) Based on the diagram drawn above in (i) give a suitable term for each of the following descriptions :
1. The sensory cells that helps in hearing.
2. The part that is responsible for static balance of the body.
3. The membrane covered opening that connects the middle ear to the inner ear.
4. The fluid present in the middle chamber of cochlea.
5. The structure that maintains dynamic equilibrium of the body.
the biological/technical terms for a thin membrane covering the entire front part of the eye.
Sclerotic layer or choroid layer.(Which one forms the Iris ?)
Name the following:
The tube which connects the cavity of the middle ear with the throat.
State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.
Deafness is caused due to rupturing of the pinna.
What is the function of three tiny bones in the ear ?
Complete the following sentence with appropriate Word
The parts of the human ear concerned with hearing are :
State the functions of the following:
Auditory nerve
The median canal of cochlea is filled with ______.
Name the part of the inner ear that is responsible for static balance in human beings.
