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There are several factors that control the amount of UV light that enters the atmosphere. The main factors include the ozone layer and weather conditions.

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What controls the light going into eye?

The pupil controls the amount of light that enters the eye.


What controls the amount of light reaching the retina?

The iris controls the amount of light reaching the retina by adjusting the size of the pupil. In bright light, the iris contracts to make the pupil smaller, reducing the amount of light that enters the eye. In low light, the iris expands to dilate the pupil, allowing more light to enter the eye.


What is the circular opening of the eye which controls the amount of light that enters the eye?

The circular opening of the eye that controls the amount of light entering is called the pupil. It dilates in low light to allow more light to enter and constricts in bright light to reduce the amount of light entering the eye.


What controls the amount of light that enters the eyes?

The pupil contracts or expands (dilates) to regulate the entry of light to the retina in the eye.The iris or colored part of the eye is what controls the diameter of the pupil by covering or uncovering it.


Smooth muscle that controls light intensity?

The smooth muscle in the iris of the eye controls the size of the pupil, which regulates the amount of light entering the eye. When this muscle contracts, the pupil constricts, reducing the amount of light that enters the eye, and when it relaxes, the pupil dilates to allow more light in.


What is the function of the camera diaphragm in controlling the amount of light that enters the camera?

The camera diaphragm controls the size of the aperture, which is the opening through which light enters the camera. By adjusting the size of the aperture, the diaphragm regulates the amount of light that reaches the camera sensor, allowing for proper exposure of the photograph.


What controls how much light enters the pupil?

The iris controls how much light enters the pupil by adjusting its size. In bright conditions, the iris contracts to make the pupil smaller, reducing the amount of light that enters the eye. In dim conditions, the iris relaxes to dilate the pupil and allow more light in for better visibility.


Which part of the human eye controls how much light enters?

The iris controls the amount of light entering the eye by adjusting the size of the pupil. In bright light, the iris contracts, making the pupil smaller to reduce the amount of light. In dim light, the iris expands, making the pupil larger to allow more light to enter.


What is a pupil reference?

The pupil is circular opening located in the center of the iris of the eye and that controls the amount of light that enters the eye.orIt can mean a student.


What is the name of the eye that controls how much light passes through the pupil is called the?

the colored part of human eye that controls how much light passes through the pupil is called the?


When light enters a different medium the amount that the light is bent as it enters the medium is determined by the medium's index of .?

When light enters a different medium, the amount that the light is bent as it enters the medium is determined by the medium's index of..........=refraction


When light enters a different medium the amount that the light is bent as it enters the medium is determined by the mediums index?

When light enters a different medium, the amount that the light is bent as it enters the medium is determined by the medium's index of..........=refraction