Blue light has the highest energy among the options given. Light energy is directly proportional to its frequency and inversely proportional to its wavelength. Blue light has a shorter wavelength and higher frequency compared to green, red, and yellow light, ...
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In a photographic camera, the film acts like the retina of the eye. Just as the retina captures the light and converts it into signals that the brain can interpret, the film captures the light and stores the image. Both ...
In eye donation, the part of the donor’s eye that is transplanted is the cornea. The cornea is the clear, dome-shaped surface that covers the front of the eye and helps focus light onto the retina. Corneal transplants can restore ...
The minimum distance of clear vision for a healthy eye is 25 cm. This is known as the near point of the eye, where objects can be seen clearly without strain. It allows the eye to focus on close objects ...
A person suffering from nearsightedness (myopia) can see nearby objects clearly but has difficulty seeing distant objects. Myopia occurs when light entering the eye is focused in front of the retina, causing distant objects to appear blurred. This condition can ...