Physics The bats can fly in the dark because They generate flashes of light They can see the objects in darkness They have weak legs and are likely to be attacked by predators They generate ultrasonic sound waves They generate flashes of light They can see the objects in darkness They have weak legs and are likely to be attacked by predators They generate ultrasonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : Just for convenience To convert kinetic friction into rolling friction To convert static friction into kinetic friction To increase friction Just for convenience To convert kinetic friction into rolling friction To convert static friction into kinetic friction To increase friction ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels at the fastest speed in vacuum steel water air vacuum steel water air ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Heat energy Potential energy Electrical energy Chemical energy Heat energy Potential energy Electrical energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Who enunciated the laws of planetary motion? Johannes Kepler Galileo Nicolaus Copernicus Isaac Newton Johannes Kepler Galileo Nicolaus Copernicus Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics . . . . . . . . . exerts a force on anything that has an electric charge. Electrostatic force Inductive field Electric field All of these Electrostatic force Inductive field Electric field All of these ANSWER DOWNLOAD EXAMIANS APP
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