Physics What device converts light energy to electrical energy? Photovoltaic cell Photodiode Thermocouple Heliostats Photovoltaic cell Photodiode Thermocouple Heliostats ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because the rolling friction is much less than the sliding friction coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled more surface area of the barrel is in contact with the road when it is pulled the rolling friction is much less than the sliding friction coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled more surface area of the barrel is in contact with the road when it is pulled ANSWER DOWNLOAD EXAMIANS APP
Physics A spherical ball made of steel when dropped in mercury container Sink in mercury Will dissolve in mercury Will be partly immersed mercury Will be on the surface of mercury Sink in mercury Will dissolve in mercury Will be partly immersed mercury Will be on the surface of mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Electrostatic precipitator is used to control the pollution of Water Air Noise Thermal Water Air Noise Thermal ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following branch of Physics deal with study of Atomic Nuclei? None of these Atomic Physics Bio Physics Nuclear Physics None of these Atomic Physics Bio Physics Nuclear Physics ANSWER DOWNLOAD EXAMIANS APP
Physics When an unbalanced force acts on an object All of these Causes change in motion of the object Causes the object to move The speed & direction of the object will change All of these Causes change in motion of the object Causes the object to move The speed & direction of the object will change ANSWER DOWNLOAD EXAMIANS APP
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