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Last Updated On 01-06-2023 - By Jeesha Sara

Red light is generally used to observe diffraction pattern from single slit. If blue light is used instead of red light, then diffraction pattern

a)

Will be more clear

b)

Will contract

c)

Will expanded

d)

Will not be visualized


Question ID - 150131 :-

Red light is generally used to observe diffraction pattern from single slit. If blue light is used instead of red light, then diffraction pattern

a)

Will be more clear

b)

Will contract

c)

Will expanded

d)

Will not be visualized

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

. Therefore fringe pattern will contract because fringe width



Next Question :

The Fraunhofer diffraction pattern of a single slit is formed in the focal plane of a lens of focal length 1 m. The width of slit is 0.3 mm. If third minimum is formed at a distance of 5 mm from central maximum, then wavelength of light will be

a)

5000

b)

2500

c)

7500

d)

8500


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