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PHYSICS

JAMB 2016 - Question 7

Physics 2016 JAMB Past Questions - Question 7: Dispersion occurs when white light passes through a glass prism because of the

Choose the correct answers from the options given.

Dispersion occurs when white light passes through a glass prism because of the

A: defects in the glass

B: high density of the glass

C: different speeds of the colours in the glass

D: different hidden colours in the glass

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Correct Answer

Explanation

phenomenon known as refraction. Refraction is the bending of light as it passes from one medium to another, such as from air to glass. When white light enters a glass prism, it undergoes refraction, causing the different colors of light to bend at different angles. This separation of colors is called dispersion. The prism acts as a sort of "color filter," spreading out the different wavelengths of light and creating a spectrum of colors, from red to violet.