Physics Vehicles use ________ to see the objects coming from behind. Concave mirror Convex mirror Convex lens Concave lens Concave mirror Convex mirror Convex lens Concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics Bats can sense obstacles because they produce Ultrasonic sound waves Micro sound waves Supersonic sound waves Infrasonic sound waves Ultrasonic sound waves Micro sound waves Supersonic sound waves Infrasonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics As water is cooled from 4 deg C to 0 deg C, its density Remains same None of these Decreases Increases Remains same None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute zero is a temperature at which ________ All gases become solid Molecular motion in a gas would cease All gases become liquid Water freezes All gases become solid Molecular motion in a gas would cease All gases become liquid Water freezes ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in Rectifiers Oscillators None of these Amplifiers Rectifiers Oscillators None of these Amplifiers ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a form of Energy? Pressure Heat Motion Sound Pressure Heat Motion Sound ANSWER DOWNLOAD EXAMIANS APP