Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Perfect conductors Dielectrics Semi conductors Superconductors Perfect conductors Dielectrics Semi conductors Superconductors ANSWER DOWNLOAD EXAMIANS APP
Physics Acceleration is Directly proportional to force Directly proportional to mass Inversely proportional to force Inversely proportional to mass Directly proportional to force Directly proportional to mass Inversely proportional to force Inversely proportional to mass ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ High melting point Low melting point Low resistance Low work function High melting point Low melting point Low resistance Low work function ANSWER DOWNLOAD EXAMIANS APP
Physics A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank? The surface of the liquid remains horizontal The liquid surface falls down on the direction of motion and rises up on the back side of the tank None The liquid surface falls down only at the center of the tank The surface of the liquid remains horizontal The liquid surface falls down on the direction of motion and rises up on the back side of the tank None The liquid surface falls down only at the center of the tank ANSWER DOWNLOAD EXAMIANS APP
Physics What is the name of the device used to convert alternating current into direct current ? Transformer Ammeter Galvanometer Rectifier Transformer Ammeter Galvanometer Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics Bolometer is used to measure Temperature Velocity Frequency Wavelength Temperature Velocity Frequency Wavelength ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS