An _______________ is a sudden shaking or trembling of the earth.
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In 1981, ISRO launched India's first geostationary satellite called -
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
The process when the computer is switched on and the operating system gets loaded from hard disk to main memory is called
Election Commission is not concerned with which of the following elections?
The Great Smog of 1952 was a severe air-pollution event which affected _______.