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प्रश्न
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.
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उत्तर
The labelled ray diagram showing the formation of the spectrum of sunlight on a screen is given below. The colour obtained nearer the base of the prism is violet.
संबंधित प्रश्न
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.
When white light passes through a prism, it ............
Refer to fig
(i) Name the lens L.
(ii) What are the points O, O' called?
(iii) Complete the diagram to form the image of the object AB.
(iv) Write three characteristics of the image.
The wavelength range of white light is ______.
The phenomenon of splitting of light into its component colours is ___________ .
Draw a labelled diagram: Dispersion of light through a prism.
Distinguish between an impure spectrum and a pure spectrum.
Say TRUE or FALSE
After passing through a prism, white light splits into a band of seven colours
The phenomena of light involved in the formation of rainbow are ______.
