Red is the outermost layer of rainbow.
Important Questions on The Human Eye and the Colourful World
The ray of light that bends the least
Explain the refraction of light with the help of a Glass Prism.
The angle of deviation through a prism is minimum when
(A) Incident ray and emergent ray are symmetric to the prism
(B) The refracted ray inside the prism becomes parallel to its base
(C) Angle of incidence is equal to that of the angle of emergence
(D) When angle of emergence is double the angle of incidence
Choose the correct answer from the options given below :
The ray of light that bends the most
In the given figure, what is the angle of prism?
The diagram below shows a light source P embedded in a rectangular glass block ABCD of critical angle 42°. Complete the path of the ray PQ till it emerges out of the block. Write necessary angles.
In the diagram given below, X and Y are the end colours of the spectrum of white light. The colour 'Y' represents the _____.
