How Does The Refractive Index Of A Medium Depend On Wavelength Of Light Used?

Question

How does the refractive index of a medium depend on wavelength of light used?

Solution

The refractive index of a medium decreases with increase in wavelength of light used. R.I of violet light is maximum and for red light, it is minimum.

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Q- A swimmer sees only hazy contours of objects when he opens his eyes under water, while they are distinct when using a mask. Why?

Chapter: Light

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Q- The image of an object formed by a convex is obtained on a screen. Will the full size of image be obtained if the lower half of the is made completely opaque?

Question

How does the refractive index of a medium depend on wavelength of light used?

Solution

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Related Question

Q- A swimmer sees only hazy contours of objects when he opens his eyes under water, while they are distinct when using a mask. Why?

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Q- The image of an object formed by a convex is obtained on a screen. Will the full size of image be obtained if the lower half of the is made completely opaque?

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Q- A concave lens is used in spectacles to correct myopia-Why?

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