Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low resistance Low work function Low melting point High melting point Low resistance Low work function Low melting point High melting point ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor There is no conduction band The forbidden energy gap is very narrow The forbidden energy gap is very wide The valence band and the conduction band overlap each other There is no conduction band The forbidden energy gap is very narrow The forbidden energy gap is very wide The valence band and the conduction band overlap each other ANSWER DOWNLOAD EXAMIANS APP
Physics Which is evidence that supports the dynamo theory? Convection occurs in Earth's inner core Earth's core contains a large amount of iron Earth's outer core contains liquid that conducts electricity Granite and basalt conduct electricity Convection occurs in Earth's inner core Earth's core contains a large amount of iron Earth's outer core contains liquid that conducts electricity Granite and basalt conduct electricity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is correct about the properties of Gravitational Forces? Both a and b None They are the strongest forces in nature They observe inverse square law Both a and b None They are the strongest forces in nature They observe inverse square law ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pair is Incorrect?I. Parsec - DistanceII. Barrel - LiquidIII. Light year - Time Only I and III Only III Only II All are correct Only I and III Only III Only II All are correct ANSWER DOWNLOAD EXAMIANS APP
Physics A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the body is: [Given g = 9.8 m/s2] 1568 J 1568 W 1568 C 1568 N 1568 J 1568 W 1568 C 1568 N ANSWER DOWNLOAD EXAMIANS APP
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