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Sci-Five | The Hindu Science Quiz: On Radioactivity 1 / 5 | Who is credited with the discovery of Radioactivity? Michael Faraday Marie Curie Henri Becquerel Pierre Curie The phenomenon of radioactivity was first reported in 1896 by Henri Becquerel for a uranium salt. In 1898, Marie Curie and her husband Pierre Curie discovered two…
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Q: Twilight is the light visible above the horizon when the sun is below the horizon. It is civil twilight when the sun is 6º below the horizon; X twilight when 12º below; and astronomical twilight when 18º below. Name X. A: Nautical twilight Q: At astronomical twilight in the evening, Y becomes visible in…
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Sci-Five | The Hindu Science Quiz: On Elephants Elephants are seen on the edge of the forest at Pongara National Park, near Libreville, Gabon, October 16, 2021. START THE QUIZ 1 / 5 | What do elephants do to protect themselves from the sun? Go underwater Fan themselves Cover themselves in dust Find shade under…
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Colours to dye threads which are used to make colourful threads for embroidering the Namda carpets. | Photo Credit: Nissar Ahmed/The Hindu Q: X is a dye named for a country, associated with the name of a revolt in that country in 1859, and whose colour is popularly associated today with denim jeans. Name X….
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