Physics What principle/law explains the working of the hydraulic brakes in automobiles ? Pascal's law Bernoulli's law Posieulle's principle Archimedes' principle Pascal's law Bernoulli's law Posieulle's principle Archimedes' principle ANSWER DOWNLOAD EXAMIANS APP
Physics A white and smooth surface is Good absorber and good reflector of heat Bad absorber and bad reflector of heat Good absorber and bad reflector of heat Bad absorber and good reflector of heat Good absorber and good reflector of heat Bad absorber and bad reflector of heat Good absorber and bad reflector of heat Bad absorber and good reflector of heat ANSWER DOWNLOAD EXAMIANS APP
Physics The size of gear is usually specified by Pitch circle diameter Pressure angle Diametral pitch Circular pitch Pitch circle diameter Pressure angle Diametral pitch Circular pitch ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following features of a tunnel diode is its drawback Instability due to negative resistance Extremely high frequency response Very wide temperature range of operations Very low power consumptions Instability due to negative resistance Extremely high frequency response Very wide temperature range of operations Very low power consumptions ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a lower density than metals plastics have a higher thermal conductivity than metals metals have higher thermal capacity than plastics metals are good conductor of heat plastics have a lower density than metals plastics have a higher thermal conductivity than metals metals have higher thermal capacity than plastics metals are good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
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