Back to Ray OpticsA prism of refractive index n
1
and another prism of refractive index n
2
are stuck together (as shown in the figure). n
1
and n
2
depend on \lambda, the wavelength of light, according to the relation
{n_1} = 1.2 + {{10.8 \times {{10}^{ - 14}}} \over {{\lambda ^2}}} and {n_2} = 1.45 + {{1.8 \times {{10}^{ - 14}}} \over {{\lambda ^2}}}
The wavelength for which rays incident at any angle on the interface BC pass through without bending at that interface will be _____________ nm.
Class 12 • Physics • Chapter-9
Ray Optics
Question 266 of 426
266MediumInteger TypeJEE Mains2021
A prism of refractive index n
1
and another prism of refractive index n
2
are stuck together (as shown in the figure). n
1
and n
2
depend on \lambda, the wavelength of light, according to the relation
{n_1} = 1.2 + {{10.8 \times {{10}^{ - 14}}} \over {{\lambda ^2}}} and {n_2} = 1.45 + {{1.8 \times {{10}^{ - 14}}} \over {{\lambda ^2}}}
The wavelength for which rays incident at any angle on the interface BC pass through without bending at that interface will be _____________ nm.
Integer / Numeric Answer Type
Enter your answer as a number (integer or decimal).