Examlex
The radii of the Bohr orbits in atomic hydrogen are given by .
If the radius of the first Bohr orbit (n = 1) is 0.053 nm, the radius of the third Bohr orbit (n = 3) is
Absolute Threshold
The minimum stimulus intensity required for detection by a sense organ, signifying the point at which a stimulus becomes perceptible to the senses.
Noticeable Threshold
A threshold is the level at which a stimulus becomes sufficiently strong to produce a discernible effect or reaction.
Range Threshold
The minimum and maximum values within which a particular sensory stimulus, action, or phenomenon is perceptible or has an effect.
Receptors
Protein molecules on the surfaces of dendrites and cell bodies that have distinctive shapes and will interact only with specific neurotransmitters.
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