Physics Speed of sound is maximum in which among the following? Liquids Gases Vaccum Solids Liquids Gases Vaccum Solids ANSWER DOWNLOAD EXAMIANS APP
Physics For accurate scientific work, temperatures are often measured by Platinum resistance thermometers Alcohol thermometers Thermoelectric thermometers Mercury thermometers Platinum resistance thermometers Alcohol thermometers Thermoelectric thermometers Mercury thermometers ANSWER DOWNLOAD EXAMIANS APP
Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 20 J 40 J 50 J 30 J 20 J 40 J 50 J 30 J ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to see the distant objects on the Earth is Compound microscope Simple microscope Terrestrial telescope Astronomical telescope Compound microscope Simple microscope Terrestrial telescope Astronomical telescope ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by Using heat from exhaust Compressing air in the cylinders The battery An electrical spark Using heat from exhaust Compressing air in the cylinders The battery An electrical spark ANSWER DOWNLOAD EXAMIANS APP
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