Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Energy Acceleration Displacement Velocity Energy Acceleration Displacement Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the sun reaches earth by the process of Radiation Conduction Convection All of these Radiation Conduction Convection All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? Solar All of these Water Air Solar All of these Water Air ANSWER DOWNLOAD EXAMIANS APP
Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Decreased by 2% Decreased by 4% Increased by 4% Increased by 2% Decreased by 2% Decreased by 4% Increased by 4% Increased by 2% ANSWER DOWNLOAD EXAMIANS APP
Physics To convert temperature from Celcius to Kelvin scale, you must ________ the given temperature. Add 273 Subtract 273 Divide by 273 Multiply 273 Add 273 Subtract 273 Divide by 273 Multiply 273 ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Galileo Martin Luther Johannes Kepler Copernicus Galileo Martin Luther Johannes Kepler Copernicus ANSWER DOWNLOAD EXAMIANS APP