Physics Natural radioactivity was discovered by Henri Becquerel Ernest Rutherfor Marie Curie Enrico Fermi Henri Becquerel Ernest Rutherfor Marie Curie Enrico Fermi ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pair is Incorrect?I. Parsec - DistanceII. Barrel - LiquidIII. Light year - Time All are correct Only I and III Only III Only II All are correct Only I and III Only III Only II ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a seconds pendulum is 2 seconds 1 second 1.5 second 0.5 second 2 seconds 1 second 1.5 second 0.5 second ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator, the cooling system should always be At the middle Can be anywhere At the bottom At the top At the middle Can be anywhere At the bottom At the top ANSWER DOWNLOAD EXAMIANS APP
Physics Pa(Pascal) is the unit for Thrust Pressure Frequency Conductivity Thrust Pressure Frequency Conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is : 0.12777777777778 0.20902777777778 0.12638888888889 0.21111111111111 0.12777777777778 0.20902777777778 0.12638888888889 0.21111111111111 ANSWER DOWNLOAD EXAMIANS APP