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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
Fill in the blank with suitable word:
When a ray of light enters a prism, it bends ................ the normal ; as it leaves the prism, it bends ................. the normal.
The splitting of white light into its constituent colours is called .............
Out of air and glass, which is optically rarer? Give reason.
What do you understand by the term spectrum? Name the various colours present in the spectrum of sunlight.
Sunlight entering through a narrow aperture falls on a prism. Draw a neat labelled ray diagram to show the formation of the spectrum on a screen. Name the colour obtained nearer the base of the prism.
State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.
Which one of the following is involved for the formation of rainbow in the sky?
The periscope is an optical device with a polished surface that reflects the light falling on it.
State True or False:
"Wavelength of red light is close to 700 nm.”
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are:
