Physics Bats can sense obstacles because they produce Infrasonic sound waves Micro sound waves Supersonic sound waves Ultrasonic sound waves Infrasonic sound waves Micro sound waves Supersonic sound waves Ultrasonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics A drop of liquid assumes spherical shape because: Inter molecular forces are weak in liquids A sphere has the least surface area for a given volume A sphere has the largest surface area for a given volume Intermolecular forces are strong in liquids Inter molecular forces are weak in liquids A sphere has the least surface area for a given volume A sphere has the largest surface area for a given volume Intermolecular forces are strong in liquids ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As a parallel beam in one direction As diffused beams in all directions As parallel beams in all directions As a diffused beam in one direction As a parallel beam in one direction As diffused beams in all directions As parallel beams in all directions As a diffused beam in one direction ANSWER DOWNLOAD EXAMIANS APP
Physics The average kinetic energy of the molecules of an ideal gas is directly proportional to Temperature of environment Mass of Molecules Velocity of Molecules Absolute temperature of the gas Temperature of environment Mass of Molecules Velocity of Molecules Absolute temperature of the gas ANSWER DOWNLOAD EXAMIANS APP
Physics If a body moves with a constant speed in a circle Its velocity remains constant No force acts on it No work is done on it No acceleration is produced in it Its velocity remains constant No force acts on it No work is done on it No acceleration is produced in it ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Semi-conductor Insulator Super-conductor Metallic-conductor Semi-conductor Insulator Super-conductor Metallic-conductor ANSWER DOWNLOAD EXAMIANS APP
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