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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.
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.
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संबंधित प्रश्न
In the formation of spectrum of white light by a prism:
which colour is deviated least?
When a beam of white light is passed through a prism, it splits to form lights of seven colours. Is it possible to recombine the lights of seven colours to obtain the white light again? Explain your answer.
In the figure given alongside, a narrow beam of white light is shown to pass through a triangular glass prism. After passing through the prism, it produces a spectrum YX on the screen.
State the colour seen (i) at X, and (ii) at Y.
Which of the following coloured light has the least speed in glass prism?
(a) violet
(b) yellow
(c) red
(d) green
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?
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.
A wave has wavelength 50Å of State the speed in vacuum.
Write the range of wavelength of the infrared spectrum.
What is a rainbow?
State the colour which bends:
- The most.
- The least while passing through a glass prism.
