What should a person on a freely rotating turn table do to decrease his (angular) speed ?
1). Bring his hands together
2). Raise his hands up
3). Spread his hands outwards
4). Sit down with raised hands
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1. The concentration of pollutants in atmosphere is generally expressed in:
2. ?What is the primary source of food for?marine life?
3. 'Parsec' is the unit measurement of
4. Water will not be vapourised if
5. Which of the following has got more heat capacity ?
6. When hot-water is sprinkled on a hotter glass tumbler, it breaks because
7. The primary agent of contact metamorphism is