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 \\times10^{-14}}/{\\lambda^{2}} and {n}_{2}=1.45+{1.8 \\times10^{-14}}/{\\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}. [27 Jul 2021 Shift 1]

Ray Optics and Optical Instruments Part 2

Section: Physics

Question : 99 of 100

Marks: +1, -0

A prism of refractive index n1 and another prism of refractive index n2 are stuck together (as shown in the figure). n1 and n2 depend on λ, the wavelength of light, according to the relation
n1=1.2+

10.8×10−14

λ2

and n2=1.45+

1.8×10−14

λ2

The wavelength for which rays incident at any angle on the interface BC pass through without bending at that interface will be ________nm.

[27 Jul 2021 Shift 1]

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