Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction, convection and radiation Conduction and radiation only Conduction and convection only Convection and radiation only Conduction, convection and radiation Conduction and radiation only Conduction and convection only Convection and radiation only ANSWER DOWNLOAD EXAMIANS APP
Physics Materials for rain-proof coats and tents owe their water-proof properties to surface tension specific gravity viscosity elasticity surface tension specific gravity viscosity elasticity ANSWER DOWNLOAD EXAMIANS APP
Physics Water will not be vapourised if The temperature is 0°C The temperature is 100°C The humidity is 0% The humidity is 100% The temperature is 0°C The temperature is 100°C The humidity is 0% The humidity is 100% ANSWER DOWNLOAD EXAMIANS APP
Physics An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is: 600 units 60 units 0.6 units 6 units 600 units 60 units 0.6 units 6 units ANSWER DOWNLOAD EXAMIANS APP
Physics What is a compound microscope? A microscope that has one lens. A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope whose lenses are convex. A microscope that has one lens. A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope whose lenses are convex. ANSWER DOWNLOAD EXAMIANS APP
Physics One nanometer is equal to 10-6m 10-5m 10-9m 10-8m 10-6m 10-5m 10-9m 10-8m ANSWER DOWNLOAD EXAMIANS APP
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