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प्रश्न
Draw a diagram to show how white light can be dispersed into a spectrum by using a glass prism. Mark the various colours of the spectrum.
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उत्तर
The diagram shows the dispersion of white light into a spectrum of colours by using a glass prism. The various colours of the spectrum are shown in the diagram.
संबंधित प्रश्न
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
The splitting up of white light into seven colours on passing through a glass prism is called ______.
The speed of light in air or vacuum is
What do you understand by the term spectrum?
If a monochromatic beam of light undergoes minimum deviation through an equiangular prism, how does the beam pass through the prism, with respect to its base?
Complete the ray diagram given below to show the nature of light produced on the screen.
The completed ray diagram is as shown below:
An object is placed in front of a converging lens and in front of a diverging lens as in fig.
(a)Complete the ray diagram to obtain an image.
(b)Compare the nature of image formed by both the lenses in the above case.
Which of the following is a natural phenomenon which is caused by the dispersion of sunlight in the sky?
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are:
State the colour which bends:
- The most.
- The least while passing through a glass prism.
