Physics The flow of thermal energy is called Heat Current Voltage Potential Heat Current Voltage Potential ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and convection only Convection and radiation only Conduction and radiation only Conduction, convection and radiation Conduction and convection only Convection and radiation only Conduction and radiation only Conduction, convection and radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Ventilators are provided near the ceiling of the room because These provide cross ventilation in the room These do not look nice in the lower part The exhaled warmer air rises up and goes out These provide some sunlight in the room These provide cross ventilation in the room These do not look nice in the lower part The exhaled warmer air rises up and goes out These provide some sunlight in the room 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 The same in both cases in all respects Of higher intensity when train arrives Of higher pitch when train arrives Of higher pitch when train departs The same in both cases in all respects Of higher intensity when train arrives Of higher pitch when train arrives Of higher pitch when train departs ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of Planck's constant is Js–2 J/s Js Js2 Js–2 J/s Js Js2 ANSWER DOWNLOAD EXAMIANS APP
Physics Bats can sense obstacles because they produce Ultrasonic sound waves Infrasonic sound waves Micro sound waves Supersonic sound waves Ultrasonic sound waves Infrasonic sound waves Micro sound waves Supersonic sound waves ANSWER DOWNLOAD EXAMIANS APP
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