Examlex
A string of mass m is under tension,and the speed of a wave in the string is v.What will be the speed of a wave in the string if the mass of the string is increased to 2m but with no change in the length or tension?
Rhodopsin
A light-sensitive pigment found in the rod cells of the retina, crucial for low-light vision.
Photoreceptor
A light-sensitive cell located on the retina that converts light energy into neural impulses.
Iris
the colored ring around the pupil of the eye, responsible for controlling the size of the pupil and thus the amount of light that enters the eye.
Light Entering Eye
The process by which visual information begins its journey to perception, involving photons passing through the eye's structures to reach and stimulate the retina.
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