Advertisements
Advertisements
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?
Advertisements
उत्तर
- Ultra-violet radiations are of wavelengths shorter than that of visible light.
- Ultraviolet radiation is more chemically active than visible light.
APPEARS IN
संबंधित प्रश्न
Describe an activity to show that colours of white light splitted by a glass prism can be recombined to get white light by another identical glass prism. Also draw ray diagram to show the recombination of the spectrum of white light.
Why do the component colours of incident white light split into a spectrum while passing through a glass prism, explain
What happens when a ray of ordinary light is passed through a triangular glass prism?
Draw a diagram to show how white light can be dispersed into a spectrum by using a glass prism. Mark the various colours of the spectrum.
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 .............
A glass prism is able to produce the spectrum when white light passes through it, but a glass slab doesn’t produce any spectrum. Explain why it is so.
In the figure, a beam of light consisting of three colours blue, red, and yellow is incident on a prism and on a rectangular glass block respectively. Complete the diagram by drawings of the refracted and emergent rays.
Draw a neat and labelled diagram for dispersion of light.
dispersive power of crown glass? Given that µv = 1.5230, µr = 1.5145
