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प्रश्न
The splitting of white light in to seven colors is called ______.
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उत्तर
The splitting of white light in to seven colors is called dispersion.
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संबंधित प्रश्न
In the formation of spectrum of white light by a prism:
which colour is deviated least?
What happens when a ray of ordinary light is passed through a triangular glass prism?
Draw a diagram to show the refraction of light through a glass prism. On this diagram, mark
(i) incident ray
(ii) emergent ray, and
(iii) angle of deviation.
The speed of light in air or vacuum is
What do you understand by the term spectrum? Name the various colours present in the spectrum of sunlight.
A ray of white light is passed through a glass prism and a spectrum is obtained on a screen.
- Name the seven colours of the spectrum in order.
- Do the colours have the same width in the spectrum?
- Which of the colour of the spectrum of white light deviates (i) the most, (ii) the least?
In the spectrum of white light by a prism, the colour at the extreme end opposite to the base of prism is ______.
A wave has wavelength 50Å of State its one use.
Assertion: We can see the rainbow in the sky when the rain starts falling after a spell of bright sunlight.
Reason: The rainbow is formed due to the dispersion of light.
______ colour is deviated the least in the spectrum of white light obtained with a glass prism.
