Physics What factors contribute to global winds? All of these Coriolis Effect Uneven warming of the earth by the sun Convection Cells All of these Coriolis Effect Uneven warming of the earth by the sun Convection Cells ANSWER DOWNLOAD EXAMIANS APP
Physics What is the name of the device used to convert alternating current into direct current ? Transformer Galvanometer Rectifier Ammeter Transformer Galvanometer Rectifier Ammeter ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Attracting a magnetic substance Hysteresis Susceptibility independent of temperature Point in a particular direction Attracting a magnetic substance Hysteresis Susceptibility independent of temperature Point in a particular direction ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Produce heat and radiate it toward earth Reflect back the heat given by earth Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Produce heat and radiate it toward earth Reflect back the heat given by earth Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by P – n junction diode Spectrometer Sonometer Cathode ray oscilloscope P – n junction diode Spectrometer Sonometer Cathode ray oscilloscope ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Inhomogeneous and transparent Made up of slabs of different refractive indices Homogeneous and transparent Of variable refractive index Inhomogeneous and transparent Made up of slabs of different refractive indices Homogeneous and transparent Of variable refractive index ANSWER DOWNLOAD EXAMIANS APP
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