Physics Thermocouple consists of Metal and an insulator Two dissimilar metals Two similar metals Metal and a semiconductor Metal and an insulator Two dissimilar metals Two similar metals Metal and a semiconductor ANSWER DOWNLOAD EXAMIANS APP
Physics Pieces of camphor placed on water move about rapidly. This is because of Surface tension Capillarity Viscosity Diffusion Surface tension Capillarity Viscosity Diffusion ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The sudden expansion of a compressed gas The ice which deposits on the freezer The evaporation of a volatile liquid None of these The sudden expansion of a compressed gas The ice which deposits on the freezer The evaporation of a volatile liquid None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which resource is both renewable and inexpensive? Coal Gold Sunlight Minerals Coal Gold Sunlight Minerals ANSWER DOWNLOAD EXAMIANS APP
Physics What should a person on a freely rotating turn table do to decrease his (angular) speed ? Raise his hands up Sit down with raised hands Bring his hands together Spread his hands outwards Raise his hands up Sit down with raised hands Bring his hands together Spread his hands outwards ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 21 km/sec 11.2 km/sec 18 km/sec 35 km/sec 21 km/sec 11.2 km/sec 18 km/sec 35 km/sec ANSWER DOWNLOAD EXAMIANS APP
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