5 A biprism is placed 10 cm from a slit illuminated by light

Last updated: 6/7/2023

5 A biprism is placed 10 cm from a slit illuminated by light of wavelength 5890 A The width of the fringes obtained on a screen at 80 cm from the biprism is 9 x102 cm What is the distance between the two coherent sources 3 marks 6 A telescope has an obiective of focal length 50 cms and eveniece of focal length 5cms The least distance