Examlex
Large reflecting telescopes have mirrors that are ________ in shape.
Sound Waves
Sounds that move through air or a different substance and become audible when they arrive at a person's or animal's eardrum.
Frequencies
The rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves) or in an electromagnetic field (as in radio waves and light), usually measured in hertz.
Hz
Hertz, a unit of frequency in the International System of Units (SI) that measures the number of cycles per second of any periodic event.
Temporal Lobe
A region of the cerebral cortex involved in processing auditory information and is also important in understanding language, learning, and memory.
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