Explain, in details, why it is more difficult to observe interference pattern under sunlight than light...

Explain, in details, why it is more difficult to observe interference pattern under sunlight than light from a sodium lamp.

Expert Solution

We can observe he inerfernce pattern from sodium lamp then sunlight because,the sodium lamp is said to be monochromatic light i.e., which consists only single wavelength (or) frequency (YELLOW).But the sun light is said to be chromatic light i.e., which consists the number of frequencies (or) wavelengths (V I B G YO R).

If we consider the sodium lamps they acts as the coherent sources (which maintains the zero (or) constant phase difference between them ).These coherent sources are able to interfere to eachother and forms the interference pattern which is the combination of both bright and dark fringes which are differenciated by the intensities.The bright fringes will have the maximum intensity and dark fringes will have the minimum intensity.

If we consider the sunlight which is the mixture of number of frequencies when they interfere to eachother coloured fringes are observed which cannot be differenciated with each other.

Thus, it is more difficult to observe the interference pattern from sunlight then sodium lamp.

genius_generous answered 2 years ago

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