Physics Brightness of bulb depends on voltage or current? None Current Both A & B Voltage None Current Both A & B Voltage ANSWER DOWNLOAD EXAMIANS APP
Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 1.0479166666667 0.12847222222222 2.0958333333333 0.21041666666667 1.0479166666667 0.12847222222222 2.0958333333333 0.21041666666667 ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its life 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Radio waves sent out by a radio stations are reflected by Stratosphere Mesosphere Troposphere Ionosphere Stratosphere Mesosphere Troposphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A simple microscope consists of : A long focus convex lens A long focus concave lens A short focus concave lens A short focus convex lens A long focus convex lens A long focus concave lens A short focus concave lens A short focus convex lens ANSWER DOWNLOAD EXAMIANS APP
Physics The weight of a body acts through the centre of Buoyancy Both (A) and (B) Gravity Mass Buoyancy Both (A) and (B) Gravity Mass ANSWER DOWNLOAD EXAMIANS APP