Physics Why does a cannon recoil after firing ? Newton's third law of motion Conservation of energy Newton's first law of motion Backward thrust of gases produced Newton's third law of motion Conservation of energy Newton's first law of motion Backward thrust of gases produced ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following processes is energy released ? Respiration Photosynthesis Ingestion Absorption Respiration Photosynthesis Ingestion Absorption ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage 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 weakest of all fundamental forces is Gravitational force Magnetic force Electrostatic force Nuclear force Gravitational force Magnetic force Electrostatic force Nuclear force ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following laws validates the statement that matter can neither be created nor destroyed ? Law of conservation of mass Le Chatelier's Principle Law of osmosis Law of conservation of energy Law of conservation of mass Le Chatelier's Principle Law of osmosis Law of conservation of energy ANSWER DOWNLOAD EXAMIANS APP
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