Question

I know that when white light is send through a prism it split in seven colours and I also know that every colour has a different property of bending when sent from lighter to denser medium and denser to lighter medium but this all are light only so ,"why different colour has different property of bending?" please answer correctly I need correct answer

Answer 1

because they are composite colours if u mix white colour so u will get composite colours like blue red green and etc hope it will help you

Answer 2

When light enters a material (for example, when light traveling through the air enters the glass of a prism), the difference in the refractive index of air and glass causes the light to bend. The angle of bending is different for different wavelengths of light. As the white light moves through the two faces of the prism, the different colors bend different amounts and in doing so spread out into a rainbow. In a rainbow, raindrops in the air act as tiny prisms. Light enters the raindrop, reflects off of the side of the drop and exits. In the process, it is broken into a spectrum just like it is in a triangular glass prism. When light enters the raindrop it slows down. As we know white light is made up on of 7 different colors. The high-frequency violet light slows down more than the low-frequency red light as they enter the rain drop and the light refracts as it enters a new medium. The wave has an angle as it approaches the raindrop so; one side of the wave reaches the glass before the other side of the wave. Since the side that arrives first also slows first, the whole wave refracts so that it travels more directly into the glass. Since violet light slows more than red light, the violet light also bends more than the red light. The two colors thus follow different paths through the glass. The same bending occurs in reverse when the light leaves the glass. Light speeds up as it leaves raindrop and again the violet light bends more than the red light. Since the violet light bends the most out of all the color, it is always at the bottom. On the other hand, the red light refracts the least thus always being on top of the rainbow.

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