Physics Which of these is true of all simple machines? Both A & B These make work easier Work input > work output None of these Both A & B These make work easier Work input > work output None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that Both suffer the same change in momentum The metal ball suffers greater change in momentum The initial momentum of the rubber ball is greater than that of the metal ball The rubber ball suffers greater change in momentum Both suffer the same change in momentum The metal ball suffers greater change in momentum The initial momentum of the rubber ball is greater than that of the metal ball The rubber ball suffers greater change in momentum ANSWER DOWNLOAD EXAMIANS APP
Physics At the center of the sun, fusion converts hydrogen into Helium Carbon Water Plutonium Helium Carbon Water Plutonium ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Diffraction Refraction Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics When water freezes its density Becomes Zero Decreases Increases Remains constant Becomes Zero Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of intensity of electric field is N/m J/c Volt N/c N/m J/c Volt N/c ANSWER DOWNLOAD EXAMIANS APP