"World Economic Outlook" report is published by which of the following ?
1). IMF
2). World Bank
3). RBI
4). UNCTAD
Which one of the following takes place during a nuclear fusion?
1). a heavy nucleus bombarded by neutrons breaks up
2). a heavy nucleus breaks up spontaneously
3). two light nuclei combine to form a heavy nucleus
4). a light nucleus breaks up spontaneously
Particulates (< 1 ?m size) remaining suspended in air indefinitely and transported by wind currents are called
1). Mists
2). Fumes
3). Aerosols
4). Smoke
According to the Indian Constitution, who has the power to declare emergency ?
1). Prime Minister
2). President
3). Chief Justice
4). Parliament
Why does a cannon recoil after firing ?
1). Conservation of energy
2). Backward thrust of gases produced
3). Newton's third law of motion
4). Newton's first law of motion