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प्रश्न
How can the presence of ultraviolet radiation be detected?
How can we detect the presence of ultraviolet radiation?
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उत्तर
In the presence of ultra-violet radiation, the silver chloride solution becomes dark brown or black.
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संबंधित प्रश्न
What do you understand by the term spectrum? Name the various colours present in the spectrum of sunlight.
What do you understand by the term spectrum?
When we place a glass prism in the path of a narrow beam of white light a spectrum is obtained. What happens when a second identical prism is placed in an inverted position with respect to the first prism? Draw a labelled ray diagram to illustrate it.
Differentiate between a glass slab and a glass prism.
State two properties of ultraviolet radiation which differ from visible light.
Suggest one way, in each case, by which we can detect the presence of Infrared radiations.
Draw a neat and labelled diagram for dispersion of light.
The splitting of white light in to seven colors is called ______.
State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are:
