Physics Which best describes how air moves during convection? Air always falls down Warm air falls down Cool air falls down Cool air is replaced by warm air Air always falls down Warm air falls down Cool air falls down Cool air is replaced by warm air ANSWER DOWNLOAD EXAMIANS APP
Physics What type of simple machine is an axe? Both A & B The screw Wedge Lever Both A & B The screw Wedge Lever ANSWER DOWNLOAD EXAMIANS APP
Physics Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct? 2 and 3 only 1 and 2 only 1, 2 and 3 1 only 2 and 3 only 1 and 2 only 1, 2 and 3 1 only ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour has the highest energy? White Blue Violet Red White Blue Violet Red ANSWER DOWNLOAD EXAMIANS APP
Physics Who defined the law of gravitation ? Faraday Archimedes Newton Galileo Faraday Archimedes Newton Galileo ANSWER DOWNLOAD EXAMIANS APP
Physics Which results in an increase in power? Doing less work in more time. Doing less work in less time. Doing more work in more time. Doing more work in less time. Doing less work in more time. Doing less work in less time. Doing more work in more time. Doing more work in less time. ANSWER DOWNLOAD EXAMIANS APP