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प्रश्न
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.
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उत्तर
The complete diagram is given below:
संबंधित प्रश्न
A narrow beam PQ of white light is passing through a glass prism ABC as shown in the diagram.
Trace it on your answer sheet and show the path of the emergent beam as observed on the screen DE.
(i) Write the name and cause of the phenomenon observed.
(ii) Where else in nature is this phenomenon observed?
(iii) Based on this observation, state the conclusion which can be drawn about the constituents of white light.
What are the seven colours seen in a rainbow?
Why do you not see a spectrum of colours when light passes through a flat pane of glass?
The seven colours in the spectrum of sunlight in order, are represented as :
What do you understand by the term spectrum?
What do you understand by spectrum? Name the seven prominent colours in order, as obtained in the spectrum of white light.
State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.
In dispersion, the color of light that will bend more is ______.
dispersive power of crown glass? Given that µv = 1.5230, µr = 1.5145
Make a rainbow
Try to make your own rainbow. You can try this project in the morning or in the evening. Stand with your back towards the Sun. Take a hosepipe or a water pipe used in the garden. Make a fine spray in front of you. You can see different colours of rainbow in the spray.
