When white light is passed through a triangular prism, which of the following colour light will bend the least?

Yellow

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Red

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Green

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Orange

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Solution

The correct option is B Red
More the wavelength, lesser will be the deviation.
This implies that red will bend the least because red light has a larger wavelength than other colours in VIBGYOR.

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In the figure given alongside, a narrow beam of white light is shown to pass through a triangular glass prism. After passing through the prism, it produces a stectrum YX on the screen.
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(b) Why do different colours of white light bend through different angles with respect to the incident beam of light ?

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When white light is passed through a triangular prism, which of the following colour light will bend the least?

The correct option is B RedMore the wavelength, lesser will be the deviation. This implies that red will bend the least because red light has a larger wavelength than other colours in VIBGYOR.

The correct option is B Red
More the wavelength, lesser will be the deviation.
This implies that red will bend the least because red light has a larger wavelength than other colours in VIBGYOR.