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The refractive index of many materials (such as glass) varies with the wavelength or colour of the light used, a phenomenon known as dispersion. This causes light of different colours to be refracted differently and to leave the prism at different angles, creating an effect similar to a rainbow. In optics, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency, or alternatively when the group velocity depends on the frequency.
Which of the following is an example of a living fossil tree?
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In which of the following cases the Supreme Court, while laying out the ‘basic structure’ of the Constitution held that the democratic character of ...
Who had assumed the title of Balban?
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Which Union Territory’s appropriation Bill passed in Lok Sabha in 2021 allowed the Central Government to authorise payment and appropriation of certai...
In 1680, _________, son of Shivaji, ascended the throne after winning the war of succession against his brother Rajaram.
The Lake of Harike is located in which state?