Physics Materials that allow electricity to flow are called Electron flows Stimulators Conductors Insulators Electron flows Stimulators Conductors Insulators ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, Both A & B None of these The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object Both A & B None of these The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Heat energy into electrical energy Mechanical energy into electrical energy Magnetic energy into electrical energy Chemical energy into electrical energy Heat energy into electrical energy Mechanical energy into electrical energy Magnetic energy into electrical energy Chemical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Propagation of sound can be visualised as propagation of ________ variations in the medium Density Porosity Viscosity Elasticity Density Porosity Viscosity Elasticity 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: 60 units 0.6 units 600 units 6 units 60 units 0.6 units 600 units 6 units ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Conductivity of air increases Our perspiration eva-porates rapidly Fan supplies cool air Fan cools the air Conductivity of air increases Our perspiration eva-porates rapidly Fan supplies cool air Fan cools the air ANSWER DOWNLOAD EXAMIANS APP