Examlex
Niels Bohr postulated that the hydrogen electron radiates energy only when it makes a(n) ______________ from one allowed orbit to another.
Amplitude
the magnitude or intensity of a fluctuating wave or signal, such as in sound (volume), light (brightness), or electrical signals.
Brightness
A perceptual attribute of visual experience by which an area appears to emit more or less light.
Hue
A color or shade, particularly one that indicates the degree to which a stimulus can be described as similar to or different from stimuli that are described as red, green, blue, and yellow.
Iris
The colored part of the eye that controls the size of the pupil and thus the amount of light that enters the eye.
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