Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? All will cool at the same rate Circular plate Sphere Cube All will cool at the same rate Circular plate Sphere Cube ANSWER DOWNLOAD EXAMIANS APP
Physics The working of a rocket is based on the principle of: Conservation of energy Conservation of momentum Conservation of mass Conservation of angular momentum Conservation of energy Conservation of momentum Conservation of mass Conservation of angular momentum ANSWER DOWNLOAD EXAMIANS APP
Physics When a constant force acts on an object with a mass of 8 kg for a duration of 3 s. it increases the object's velocity from 4 m/s to 6 m/s . What is the magnitude of the applied force? 6.33 N 3.33 N 4.33 N 5.33 N 6.33 N 3.33 N 4.33 N 5.33 N ANSWER DOWNLOAD EXAMIANS APP
Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The good conducting power of the metal body The double layered wind shield The heat emitted by the engine The greenhouse effect The good conducting power of the metal body The double layered wind shield The heat emitted by the engine The greenhouse effect 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 pitch when train departs Of higher pitch when train arrives Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher pitch when train arrives Of higher intensity when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is maximum in which among the following? Liquids Gases Solids Vaccum Liquids Gases Solids Vaccum ANSWER DOWNLOAD EXAMIANS APP
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