Physics To measure the speed of an approaching car a police officer shines Light waves on it Ultra high frequency waves on it Radio waves on it Microwaves on it Light waves on it Ultra high frequency waves on it Radio waves on it Microwaves on it ANSWER DOWNLOAD EXAMIANS APP
Physics Mud houses are cooler in summers and warmer in winters as compared to brick houses because Mud is a good conductor Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a bad conductor Mud is a poor insulator Mud is a good conductor Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a bad conductor Mud is a poor insulator ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Conservation of energy Newton's first law of motion Newton's third law of motion Backward thrust of gases produced Conservation of energy Newton's first law of motion Newton's third law of motion Backward thrust of gases produced ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of noise pollution (level) is : None of these Decimal Ppm Decibel None of these Decimal Ppm Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics Alpha particle is the nucleus of an atom of Hydrogen Lithium Oxygen Helium Hydrogen Lithium Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
Physics If the spinning speed of the earth is increased then the weight of body at the equator Same Double Increases Decreases Same Double Increases Decreases ANSWER DOWNLOAD EXAMIANS APP