In a biprisim experiment the distance between the slit and the eyepiece is 100 cm. when a convex lens is introduced between the biprism and the eyepiece, images of the slit obtained in the two positions of the lens are 2 x 10-³ m and 4.5 x 103 m part. If the wavelength of light used is 6000 A, find the distance between the fourth bright band on one side and fourth dark band on other side of central bright band. O

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In a biprisim experiment the distance
between the slit and the eyepiece is 100 cm.
when a convex lens is introduced between the
biprism and the eyepiece, images of the slit
obtained in the two positions of the lens are
2 × 10-³ m and 4.5 x 103 m part. If the
3
×
O
wavelength of light used is 6000 A, find the
distance between the fourth bright band on
one side and fourth dark band on other side of
central bright band.
Transcribed Image Text:In a biprisim experiment the distance between the slit and the eyepiece is 100 cm. when a convex lens is introduced between the biprism and the eyepiece, images of the slit obtained in the two positions of the lens are 2 × 10-³ m and 4.5 x 103 m part. If the 3 × O wavelength of light used is 6000 A, find the distance between the fourth bright band on one side and fourth dark band on other side of central bright band.
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