Physics Hydraulic machines work under the Principle of : Joules Law Pascal's Law Newton's Law Floatation Law Joules Law Pascal's Law Newton's Law Floatation Law ANSWER DOWNLOAD EXAMIANS APP
Physics General purpose utility gloves are For surgeries For handling tubes For cleaning procedures All of these For surgeries For handling tubes For cleaning procedures All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Which turn into insulators at very low temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which conduct electricity only at super-high temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics One billionth of a second is called Microsecond Nanosecond Millisecond Picoseconds Microsecond Nanosecond Millisecond Picoseconds ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Plastics have a lower density than metals Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Plastics have a lower density than metals Metals are good conductors of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 None K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 None ANSWER DOWNLOAD EXAMIANS APP
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