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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
Draw a ray diagram to explain the term angle of deviation.
What is a rainbow? What are the two conditions necessary for the formation of a rainbow in the sky?
A beam of white light is shone onto a glass prism. The light cannot be:
(a) deviated
(b) dispersed
(c) focused
(d) refracted
The splitting of white light into its constituent colours is called .............
The seven colours in the spectrum of sunlight in order, are represented as :
Write the range of wavelength of the visible spectrum.
The sunlight can be split into its constituent colors using ______.
Say TRUE or FALSE
Rainbow is formed by dispersion of which light by water drops
State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.
Make a rainbow
Try to make your own rainbow. You can try this project in the morning or in the evening. Stand with your back towards the Sun. Take a hosepipe or a water pipe used in the garden. Make a fine spray in front of you. You can see different colours of rainbow in the spray.
