In a Fresnel biprism experiment, the two positions of lens give separation between the slits as 16 cm and 9 cm respectively. What is the actual distance of separation?
(a) 12.5 cm
(b) 12 cm
(c) 13 cm
(d) 14 cm
In a Fresnel biprism experiment, the two positions of lens give separation between the slits as 16 cm and 9 cm respectively. What is the actual distance of separation?
(a) 12.5 cm
(b) 12 cm
(c) 13 cm
(d) 14 cm