What is Newton's Corpuscular Theory
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Newton's Corpuscular Theory
Newton presented his Kanaika (Corpuscular) theory in relation to light in 1875,
The following are the key beliefs of this principle -
1. each light source emits innumerable, subtle and light particles. These
particles were called corpuscles.
2. These granules move in a straight line from the velocity of light and carry kinetic energy along with it in some sensory medium.
3. when these particles are reflected by some object and fall on our eyes, then we start seeing that object.
4. The granules of different colors of different colors are of different size.
On the basis of Newton's granular
theory, the direct line of light was interpreted in terms of transmission, reflection of light and refraction but on the basis of which the phenomenon of light, diffraction, embryonic phenomena could not be explained.
According to kanika theory, the movement of light is more in the dense medium compared to the rare medium, whereas Foki in his experiments revealed that the movement of light is more in frying of dense medium in a
rare medium. So this principle was declared invalid.