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प्रश्न
How can the presence of ultraviolet radiation be detected?
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उत्तर
In the presence of ultra-violet radiation, the silver chloride solution becomes dark brown or black.
संबंधित प्रश्न
What happens when a ray of ordinary light is passed through a triangular glass prism?
What will happen if another similar glass prism is placed upside down behind the first prism?
Which is refracted most by a prism : red light or violet light? Explain why?
Out of air and glass, which is optically rarer? Give reason.
Explain the cause of dispersion of white light through a prism.
The wavelengths of violet and red light are 4000 Å and 8000 Å respectively. Which of the two has the higher frequency?
Distinguish between an impure spectrum and a pure spectrum.
Write the range of wavelength of the visible spectrum.
The phenomena of light involved in the formation of rainbow are ______.
