Physics Man perceives sound vibrations in the frequency ranges of 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz 20 – 20000 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is used to convert Electrical energy into magnetic energy Electrical energy into mechanical energy Magnetic energy into mechanical energy Mechanical energy into electrical energy Electrical energy into magnetic energy Electrical energy into mechanical energy Magnetic energy into mechanical energy Mechanical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The combined gas law relates which of the following? Volume & Temperature Volume & Pressure Volume, Temperature & Pressure Temperature & Pressure Volume & Temperature Volume & Pressure Volume, Temperature & Pressure Temperature & Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to reflection Due to refraction Due to total internal reflection Due to diffraction Due to reflection Due to refraction Due to total internal reflection Due to diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Due to temperature variation along a conductor, potential variation occurs along it. This phenomenon is known as Joule effect Thomson effect Seebeck effect Peltier effect Joule effect Thomson effect Seebeck effect Peltier effect ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of sky appears blue due to Refraction Reflection Scattering of shorter wave lengths Dispersion Refraction Reflection Scattering of shorter wave lengths Dispersion ANSWER DOWNLOAD EXAMIANS APP
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