Advertisements
Advertisements
प्रश्न
A ray of light is normally incident on one face of an equilateral glass prism. Answer the following:
What is the angle of refraction from the first face of the prism?
उत्तर
The incident beam passes through a glass prism without deviating, and the angle that the refracted ray makes with the normal is known as the Angle of Refraction. This is zero (0°) in this instance.
APPEARS IN
संबंधित प्रश्न
In following figure shows two identical prisms A and B placed with their faces parallel to each other. A ray of light of single colour PQ is incident at the face of the prism A. Complete the diagram to show the path of the ray till it emerges out of the prism B.
[Hint: The emergent ray out of the prism B will be parallel to the incident ray PQ]
A ray of light incident at an angle of incidence 48° on a prism of refracting angle 60° suffers minimum deviation. Calculate the angle of minimum deviation.
[Hint: δmin = 2i - A]
What should be the angle of incidence for a ray of light which suffers a minimum deviation of 36° through an equilateral prism?
[Hint: A = 60°, i = (A + δmin)/2]
In an experiment to trace the path of a ray of light through a glass prism for different values of angle of incidence a student would find that the emergent ray:
A prism ABC (with BC as base) is placed in different orientations. A narrow beam of white light is incident on the prism as shown in below Figure. In which of the following diagrams, after dispersion, the third colour from the top of the spectrum corresponds to the colour of the sky?
How will you use two identical prisms so that a narrow beam of white light incident on one prism emerges out of the second prism as white light? Draw the diagram.
Explain the phenomenon of dispersion of white light through a glass prism, using suitable ray diagram.
White light is dispersed by a prism. Inside the prism, compared to the blue light, the red light ______.
State three factors on which the angle of deviation depends.