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what is jantar mantar 3 mark question




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Answer 1

The Jantar Mantar is an equinoctial sundial, consisting of a gigantic triangular gnomon with the hypotenuse parallel to the Earth's axis. On either side of the gnomon is a quadrant of a circle, parallel to the plane of the equator. The instrument is intended to measure the time of day, correct to half a second and declination of the Sun and the other heavenly bodies.

There are five Jantar Mantars in India, of which the largest is in Jaipur which features many instruments along with the world's largest stone sundial.[1] The Vrihat Samrat yantra is a sundial that can give the local time to an accuracy of 2 seconds.[2] It is a UNESCO World Heritage Site.

Answer 2

Answer:

jantar mantar , Jaipur,is an observator of 19 instruments of UNESCO world heritage size . It's construction started in 1720 and completed in 1738. Vrihat samrat yantra is one of the instrument of the observatory and is the biggest sun clock in the world