Physics Man perceives sound vibrations in the frequency ranges of 6 – 10 Hz 0 – 5 Hz 11 – 20 Hz 20 – 20000 Hz 6 – 10 Hz 0 – 5 Hz 11 – 20 Hz 20 – 20000 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics The flux commonly used in brazing is Resin plus alcohol Ammonium chloride Borax Zinc chloride Resin plus alcohol Ammonium chloride Borax Zinc chloride ANSWER DOWNLOAD EXAMIANS APP
Physics An object at rest may have Kinetic energy Velocity Momentum Potential energy Kinetic energy Velocity Momentum Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is maximum in which among the following? Vaccum Gases Liquids Solids Vaccum Gases Liquids Solids ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 2000 4000 80 40 2000 4000 80 40 ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical conductivity increase its electrical resistivity enable it to withstand higher voltages increase its life increase its electrical conductivity increase its electrical resistivity enable it to withstand higher voltages increase its life ANSWER DOWNLOAD EXAMIANS APP
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