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Dispersion of Light

Describe an a...

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Describe an activity to show that colour of white light spilitted by glass prism can be recombined to get white light by another identical glass prism .also draw ray diagram to show the recombination o spectrum of white light

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Q. Describe an activity to show that the colours of white light splitted by a glass prism can be recombined to get white light by another identical glass prism.

Q. State the cause of dispersion of white light by glass prism. How did Newton, using two identical glass prisms show that white light is made of seven colours? Draw a ray diagram to show the path of a narrow beam of white light, through combination of two identical prisms (where one of the prism is in an inverted position with respect to the other), when it is allowed to fall obliquely on one of the face of the first prism of the combination.

Q. Draw a diagram to show how white light can be dispersed into a spectrum by using a glass prism. Mark the various colours of the spectrum.

Q. What is dispersion of white light? What is the cause of such dispersion? Draw a diagram to show the dispersion of white light by a glass prism.

Q. What is "dispersion of white light"? Draw a labelled diagram to illustrate the recombination of the spectrum of white light. Why is it essential that the two prisms used for this purpose should be identical and placed in an inverted position with respect to each other?

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