In young double slit experiment the nth red bright band coincides with (n+1)th blue bright band. If the wavelength of red and blue lights are 7500A and 5000A , the value of ‘n is
In young double slit experiment the nth red bright band coincides with (n+1)th blue bright band. If the wavelength of red and blue lights are 7500A and 5000A , the value of ‘n is