Physics Radio waves sent out by a radio stations are reflected by Troposphere Mesosphere Ionosphere Stratosphere Troposphere Mesosphere Ionosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 36 24 12 50 36 24 12 50 ANSWER DOWNLOAD EXAMIANS APP
Physics In superconductors, the energy gap is due to Electron-electron interaction Electron-phonon interaction Phonon-phonon interaction Electron-photon intercation Electron-electron interaction Electron-phonon interaction Phonon-phonon interaction Electron-photon intercation ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is not a simple machine? A ramp A lever The pulley A pair of scissors A ramp A lever The pulley A pair of scissors ANSWER DOWNLOAD EXAMIANS APP
Physics Lakes freeze in cold countries in winter, leaving the water underneath at 4°C 4°F 0°F 0°C 4°C 4°F 0°F 0°C ANSWER DOWNLOAD EXAMIANS APP
Physics Bandwidth is the None of these Both a & b A measure of the width of a range of frequencies The rate of data transfer None of these Both a & b A measure of the width of a range of frequencies The rate of data transfer ANSWER DOWNLOAD EXAMIANS APP
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