What is light????? explain
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Light is electromagnetic within the portion of the electromagnetic spectrum that can be perceived by the human eye.
Explanation:
Light is a invisible source that gives us a sensation of vision.
The focal length of a spherical mirror unaffected when the wavelength of light used is increased.
The focal length of the mirror is half of the radius of curvature.
f = R/2
The focal length of the mirror only depends on the radius of the curvature.
The focal length of the mirror is not affected when
the wavelength of light used is increased.
I hope this helps you.
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