The Great Smog of 1952 was a severe air-pollution event which affected _______.
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Which Railway station in Uttar Pradesh (UP) has been renamed as 'Maa Barahi Devi Dham'?
Which of the following is a Non-Luminous body?
The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as
As per the 2016-17 Budget, the largest source of money to the Government of India is
___________ is obtained by evaporation of sea.
An _______________ is a sudden shaking or trembling of the earth.
In 1981, ISRO launched India's first geostationary satellite called -