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प्रश्न
In the following ray diagram the correctly marked angle are:
(a) ∠i and ∠e
(b) ∠A and ∠D
(c) ∠i, ∠e and ∠D
(d) ∠r, ∠A and ∠D
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उत्तर
(d) ∠r, ∠A and ∠D
The angle between the normal and the incident ray is the angle of incidence.
The angle between the normal and the emergent ray is the angle of emergence.
The correctly marked angles are shown in the diagram below:
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संबंधित प्रश्न
Study the following ray diagram:
In this diagram, the angle of incidence, the angle of emergence and the angle of deviation respectively have been represented by
(A) y, p, z
(B) x, q, z
(C) p, y, z
(D) p, z, y
What happens when a ray of ordinary light is passed through a triangular glass prism?
Draw a diagram to show the refraction of light through a glass prism. On this diagram, mark
(i) incident ray
(ii) emergent ray, and
(iii) angle of deviation.
Name the process which is involved in the formation of a rainbow.
A ray of light moving from an optically rarer to a denser medium
How does the speed of light determine the optical density of a medium?
What conclusion do you draw about the nature of white light in part (b)?
An object AB is placed in front of a convex lens as shown in fig. 4. Complete the ray diagram and obtain the image formed and state the nature of the image.
A wave has wavelength 50Å of State its one use.
Suggest one way, in each case, by which we can detect the presence of Infrared radiations.
