Physics What type of simple machine is an axe? The screw Both A & B Lever Wedge The screw Both A & B Lever Wedge ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 2R R/2 5R/4 3R/4 2R R/2 5R/4 3R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics The recoiling of gun is an example of which of the following? Law of Conservation of Angular Momentum Law of Conservation of Linear Momentum Law of Conservation of Energy Conversion of Kinetic Energy to Potential Energy Law of Conservation of Angular Momentum Law of Conservation of Linear Momentum Law of Conservation of Energy Conversion of Kinetic Energy to Potential Energy ANSWER DOWNLOAD EXAMIANS APP
Physics An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's First law Fourth law Third law Second law First law Fourth law Third law Second law ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following supports particle nature of photons ? Diffraction Polarization Interference Photoelectric effect Diffraction Polarization Interference Photoelectric effect 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 resistivity increase its electrical conductivity enable it to withstand higher voltages increase its life increase its electrical resistivity increase its electrical conductivity enable it to withstand higher voltages ANSWER DOWNLOAD EXAMIANS APP