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प्रश्न
A ray of light moving from an optically rarer to a denser medium
पर्याय
bends away from the normal
bends towards the normal
remains undeviated
none of the above
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उत्तर
bends towards the normal
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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
In the figure given alongside, a narrow beam of white light is shown to pass through a triangular glass prism. After passing through the prism, it produces a spectrum YX on the screen.
Why do different colours of white light bend through different angles with respect to the incident beam of light?
What is a rainbow? What are the two conditions necessary for the formation of a rainbow in the sky?
Which is optically denser: water or air? Give reason
Refer to fig
(i) Name the lens L.
(ii) What are the points O, O' called?
(iii) Complete the diagram to form the image of the object AB.
(iv) Write three characteristics of the image.
A wave has wavelength 50Å of name the wave.
Answer the following:
What do you mean by dispersion? Name the different colours of light in the proper sequence in the spectrum of light.
How can the presence of ultraviolet radiation be detected?
During dispersion of white light by prism placed in air, for a particular value of angle of prism,
