Physics Which of the following is the cleanest source of energy? Wind energy Nuclear power Biofuel Fossil fuel Wind energy Nuclear power Biofuel Fossil fuel ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Fact that spacecraft in the orbit has no energy Absence of gravity outside Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Absence of gravity outside Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside ANSWER DOWNLOAD EXAMIANS APP
Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Energy Velocity Displacement Acceleration Energy Velocity Displacement Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher pitch when train departs Of higher intensity when train arrives Of higher pitch when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher intensity when train arrives Of higher pitch when train arrives The same in both cases in all respects ANSWER DOWNLOAD EXAMIANS APP
Physics Bats can sense obstacles because they produce Supersonic sound waves Infrasonic sound waves Ultrasonic sound waves Micro sound waves Supersonic sound waves Infrasonic sound waves Ultrasonic sound waves Micro sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics In very cold countries alcohol is used as a thermometric liquid because Alcohol can be coloured for its level to be seen easily It will not stick to the glass tube Its freezing point is very low Alcohol is a poor conductor of heat Alcohol can be coloured for its level to be seen easily It will not stick to the glass tube Its freezing point is very low Alcohol is a poor conductor of heat ANSWER DOWNLOAD EXAMIANS APP
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