Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher pitch when train arrives Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher pitch when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low work function Low resistance Low melting point High melting point Low work function Low resistance Low melting point High melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Sources of geothermal power are None of these Water Earth's heat Both A & B None of these Water Earth's heat Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Electron microscope works on which of the following principles? Optical interference Wave Nature of electrons Motion of charged particle in electromagnetic fields Faraday's law of Electromagnetic induction Optical interference Wave Nature of electrons Motion of charged particle in electromagnetic fields Faraday's law of Electromagnetic induction ANSWER DOWNLOAD EXAMIANS APP
Physics Wind and solar energy are examples of Non renewable Limited Unsustainable Renewable Non renewable Limited Unsustainable Renewable ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron ANSWER DOWNLOAD EXAMIANS APP
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