Physics · 2015
NEET 2015 · 25 July · Code C · Q7
A beam of light consisting of red, green and blue colours is incident on a right angled prism. The refractive index of the material of the prism for…
A beam of light consisting of red, green and blue colours is incident on a right angled prism. The refractive index of the material of the prism for the above red, green and blue wavelengths are $\displaystyle 1.39$, $\displaystyle 1.44$ and $\displaystyle 1.47$, respectively.
The prism will :
Official answer
From NTA’s final answer key for this paper.
(2)
separate the red colour part from the green and blue colours
More from Ray Optics and Optical Instruments
- In the figure shown here, what is the equivalent focal length of the combination of lenses (Assume that all layers are thin)?2023
- Assume that light of wavelength 600 nm is coming from a star. The limit of resolution of telescope whose objective has a diameter of 2 m is:2020
- Two transparent media A and B are separated by a plane boundary. The speed of light in those media are 1.5 × 10^8 m / s and 2.0 × 10^8 m / s,…2022
- A thin prism having refracting angle 10° is made of glass of refractive index 1.42. This prism is combined with another thin prism of glass of…2017
- Two identical glass (μ_g=3 / 2) equiconvex lenses of focal length f each are kept in contact. The space between the two lenses is filled with water (…2016
- Two similar thin equi-convex lenses, of focal length f each, are kept coaxially in contact with each other such that the focal length of the…2019
- A convex lens 'A' of focal length 20 cm and a concave lens 'B' of focal length 5 cm are kept along the same axis with a distance 'd' between them. If…2021
- A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since:2021
NEET (UG) 2015 Physics question, with the answer from NTA’s final answer key. Where our answers come from.