JEE Main & Advanced
Physics
Wave Optics / तरंग प्रकाशिकी
Question Bank
Numerical Value Type Questions - Wave Nature of Light : Interference
question_answer
In a Biprism experiment, if the wavelength of red light used is \[6.5\times {{10}^{-7}}m\]and that of green is \[5.2\times {{10}^{-7}}m\], the value of n for which \[{{\left( n+1 \right)}^{th}}\]green bright band coincides with the \[{{n}^{th}}\]red bright band for the same setting is given by-