Question

In biprism experiment the distance between two coherent sources is 0.5mm and that between slit and eyepiece is 1.2m the slit is successively iluminated by red light of wavelenght 6550 a and green light 5240 a it is found that the nth red bright band coincides with (n+1)th green bright band. Calculate the distance of this band from central bright band

Answer 1

Answer:

55

Explanation:

is correct answer ...........................