Physics The frequency of ultrasound wave is typically Above 20,000 kHz Above 20 kHz Below 20 kHz Below 02 kHz Above 20,000 kHz Above 20 kHz Below 20 kHz Below 02 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because the distance of the stars from the earth changes with time. None of these the refractive index of the different layers of the earth's atmosphere ch the intensity of light emitted by them changes with time. the distance of the stars from the earth changes with time. None of these the refractive index of the different layers of the earth's atmosphere ch the intensity of light emitted by them changes with time. ANSWER DOWNLOAD EXAMIANS APP
Physics The earth-wire of a cable is connected to The outer metallic body of the appliance The filament of the appliance Short circuitry of the appliance The fuse of the appliance The outer metallic body of the appliance The filament of the appliance Short circuitry of the appliance The fuse of the appliance ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? Zero gravity Acceleration Inertia None of these Zero gravity Acceleration Inertia None of these ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances Modern vehicles use electroignition system Metal reflects radiowaves Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances Modern vehicles use electroignition system Metal reflects radiowaves ANSWER DOWNLOAD EXAMIANS APP
Physics What does the slope of a velocity time graph represent? Momentum Acceleration Speed Distance Momentum Acceleration Speed Distance ANSWER DOWNLOAD EXAMIANS APP
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