Given:
The distance between the two narrow slits is
The distance between the slit and the screen is
The wavelength of the light is
Required: Distance of the third bright fringe from the central maximum.
Step-by-step explanation:
The third bright fringe will have m = 3.
The distance of the third bright fringe from the central maximum can be calculated by the formula
On substituting the values, the distance can be calculated as
Final Answer: The distance of the third bright fringe from the central maximum is 0.0179 m.