In biprism experiment ,the distance between source and eyepiece is 1.2 m,the distance between two virtual sources is 0.84 mm. Then the wavelength of light used if eyepiece is to be moved transversely through a distance of 2. 799 cm to shift 30 fringes is

In biprism experiment ,the eyepiece is placed at a distance of 1.2 metre from the sources.The distance between the virtual sources was found to be 7.5 xx 10^-4 m.Find the wavelength of light if the eye piece is to be moved transversely through a distance of 1.888 cm for 20 fringes.

In a biprism experiment, the distance between the sit and the eyepiece is 1m and distance between the two coherent sources is 0.5 mm. If the wavelength of light used I 6000Å , then distance of the 10th bright and from the central bright band is

In a biprism experiment, the distance between the slit and screen is 1 m and distance between the images of the slit is 0.274 mm. If the fringewidth is 0.2 cm, the wavelength of light is

In a biprism experiment the distance between the slit and eyepiece is 1 m and two virtual sorces formed by the biprism are 0.5 mm apart . If the wavelength of light is used is 6000 overset (@)(A) , find the band width .

The distance between two coherent sources is 0.1 mm. The fringe-width on a screen 1.2 m away from the source is 6.0 mm. The wavelength of light used is

In a biprism experiment, the distance (d) between the two sources is doubled and the distance between the slit and the eye piece is also doubled. Then the width of the fringe

In fresnel's biprism experiment the distance between the source and the screen is 1 m and that between the source and biprism is 10 cm. the wavelength of light used is 6000Å. The fringe width obtained is 0.03 cm and the refracting angle of biprism is 1^(@) then calculate the refractive index of the material of biprism.

In Young's experiment, the distance between two slits is 0.8mm and the distance of the screen from the slit is1.2 m. If the fringe width is 0.79 mm, the wavelength of light used is

In fresnel's biprism experiment the distance between the source and the screen is 1 ma nd that between the screen is 1 m and that between the source and biprism is 10 cm. the wavelength of light used is 6000Å. The fringe width obtained is 0.03 cm and the refracting angle of biprism is 1^(@) then calculate the refractive index of the material of biprism.