Advertisements
Advertisements
प्रश्न
Draw a neat and labelled diagram for dispersion of light.
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
A student traces the path of a ray of light through a triangular glass prism for different values of angle of incidence. On analyzing the ray diagrams, which one of the following conclusions is he likely to draw?
(A) The emergent ray is parallel to the incident ray.
(B) The emergent ray bends at an angle to the direction of the incident ray.
(C) The emergent ray and the refracted ray are at right angles to each other.
(D) The emergent ray is perpendicular to the incident ray.
Describe an activity to show that colours of white light splitted by a glass prism can be recombined to get white light by another identical glass prism. Also draw ray diagram to show the recombination of the spectrum of white light.
Draw a ray diagram to explain the term angle of deviation.
What acts as tiny prisms in the formation of a rainbow?
What are the seven colours seen in a rainbow?
How does the speed of light determine the optical density of a medium?
You are given a disc divided into seven sectors with colours violet, indigo, blue, green, yellow, orange and red in them. What would be its colour when it is rotated rapidly?
In the spectrum of white light by a prism, the colour at the extreme end opposite to the base of prism is ______.
Draw a labeled ray diagram to illustrate the dispersion of a narrow beam of white light when it passes through a glass prism.
A glass prism is able to produce the spectrum when white light passes through it, but a glass slab doesn’t produce any spectrum. Explain why it is so.
The phenomenon of splitting of light into its component colours is ___________ .
Draw a labelled diagram: Dispersion of light through a prism.
Which characteristic property of light is responsible for the blue colour of the sky?
In the figure, a beam of light consisting of three colours blue, red, and yellow is incident on a prism and on a rectangular glass block respectively. Complete the diagram by drawings of the refracted and emergent rays.
Write an Explanation.
Critical angle
What is a rainbow?
dispersive power of crown glass? Given that µv = 1.5230, µr = 1.5145
