In a double slit interference experiment, the separation between the slits is
1.
0 mm, the wavelength of light used is
5.
0 ×
10−7 m and the distance of the screen from the slits is
1.
0 m.
a Find the distance of the centre of the first minimum from the centre of the central maximum.
b How many bright fringes are formed in one centimeter width on the screen?