Download the app

Questions  

Two slits separated by a distance of 1 mm are illuminated with red light of wavelength 6.5 x 10-7 m.The interference fringes are observed on  a screen placed 1m from the slits. The distance between third dark fringe and the fifth bright fringe is equal to

a
0.65 mm
b
1.63 mm
c
3.25 mm
d
4.88mm

detailed solution

Correct option is C

β=5λD2d=5×6⋅5×10−7×(1)10−3 =5×0.65×10−3m=3.25mm The distance between lifth bright fringe from third dark hinge

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?


Similar Questions

Interference was observed in interference chamber when air was present. Now, the chamber is evacuated and the same light is used. A careful observer will see:


phone icon
whats app icon