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प्रश्न
State two properties of ultraviolet radiation which differ from visible light.
What are the two properties of ultraviolet radiation that are different from that of visible light?
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उत्तर
- Ultra-violet radiations are of wavelengths shorter than that of visible light.
- Ultraviolet radiation is more chemically active than visible light.
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संबंधित प्रश्न
State the cause of dispersion of white light
How could you show that the colours of the spectrum combine to give white light?
Out of the following, the colour of light having the maximum wavelength is:
(a) violet
(b) indigo
(c) green
(d) orange
Which is optically denser: water or air? Give reason
Define the term dispersion of light.
- A beam of monochromatic light undergoes minimum deviation through an equiangular prism, how does the beam pass through the prism, with respect to its base?
- If white light is used in the same way as in part (a) above, what change do you expect in the emergent beam?
- What conclusion do you draw about the nature of white light in part (b)?
A wave has wavelength 50Å of name the wave.
The phenomenon of splitting of light into its component colours is ___________ .
Write the range of wavelength of the visible spectrum.
The phenomena of light involved in the formation of rainbow are ______.
