Wave Optics

Question

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The monochromatic source of light in Young's double-slit experiment is replaced by another monochromatic source of shorter wavelength. What will be the effect?

Solution

When the monochromatic source of light is replaced by another monochromatic source of light of shorter wavelength, both the fringe width and the angular separation decreases as per the formula given below.

ω = \frac{Dλ}{d} .

Here,

ω

is the angular seperation,

λ

is the wavelength of light.

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Wave Optics

The monochromatic source of light in Young's double-slit experiment is replaced by another monochromatic source of shorter wavelength. What will be the effect?

Some More Questions From Wave Optics Chapter

Is the speed of light in glass independent of the colour of light? If not, which of the two colours red and violet travels slower in a glass prism?

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