Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low resistance Low work function High melting point Low melting point Low resistance Low work function High melting point Low melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: Natural radioactivity was discovered by Earnest Rutherford Henry Bacquerel Marie Curie Enrico Fermi Earnest Rutherford Henry Bacquerel Marie Curie Enrico Fermi ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is not a part of Kepler's Law? Law of areas Law of speed Law of periods Law of orbits Law of areas Law of speed Law of periods Law of orbits ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? No change The liquid evaporates The liquid boils The liquid cools No change The liquid evaporates The liquid boils The liquid cools ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following parts of the sunlight makes the solar cooker hot ? Red light Ultra violet Cosmic rays Infra red Red light Ultra violet Cosmic rays Infra red ANSWER DOWNLOAD EXAMIANS APP
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