Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The greenhouse effect The double layered wind shield The heat emitted by the engine The good conducting power of the metal body The greenhouse effect The double layered wind shield The heat emitted by the engine The good conducting power of the metal body ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following features of a tunnel diode is its drawback Very wide temperature range of operations Very low power consumptions Extremely high frequency response Instability due to negative resistance Very wide temperature range of operations Very low power consumptions Extremely high frequency response Instability due to negative resistance ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a seconds pendulum is 0.5 second 1.5 second 2 seconds 1 second 0.5 second 1.5 second 2 seconds 1 second ANSWER DOWNLOAD EXAMIANS APP
Physics The value of coefficient of restitution in perfectly elastic collision is 0.5 2 1 0.5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Physics Bats can sense obstacles because they produce Micro sound waves Infrasonic sound waves Supersonic sound waves Ultrasonic sound waves Micro sound waves Infrasonic sound waves Supersonic sound waves Ultrasonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pair is Incorrect?I. Parsec - DistanceII. Barrel - LiquidIII. Light year - Time All are correct Only II Only III Only I and III All are correct Only II Only III Only I and III ANSWER DOWNLOAD EXAMIANS APP
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