A beam of light consisting of wavelengths 6000 `Å` and 4500 `Å` is used in a YDSE with D = 1 m and d = 1 mm. Find the least distance from the central maxima, where bright fringes due to the two wavelengths coincide.

A beam of light consisting of two wavelengths, 650 nm and 520 nm,is used to obtain interference fringes in a Young experiment.-What is the least distance from the central maximum where the bright fringes due to both the wavelengths coincide?

In YDSE a parallel beam of incident light consists of two wavelengths lambda_(1)=4000Å and lambda_(2)=5600Å . The minimum distance y on the screen, measured from the central axis, where the bright fringe due to two wavelengths coincide is (nlambda_(1)D)/(d) . Find n.

In YDSE a parallel beam of incident light consists of two wavelengths lambda_(1)=4000Å and lambda_(2)=5600Å . The minimum distance y on the screen, measured from the central axis, where the bright fringe due to two wavelengths coincide is (nlambda_(1)D)/(d) . Find n.

A beam of light consisting of two wave lengths 4200 Å and 5600 Å is used to obtain interference fringes in Young's double slit experiment. The distance between the slits is 0.3 mm and the distance between the slits and the screen is 1.5 m. Compute the least distance of the point from the central maximum, where the bright fringes due to both the wavelengths coincide.