Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Persistence of vision Principle of complementary colour Formation of pure spectra Formation of impure spectra Persistence of vision Principle of complementary colour Formation of pure spectra Formation of impure spectra ANSWER DOWNLOAD EXAMIANS APP
Physics Purity of a metal can be determined with the help of Boyle's law Archimedes principle Conservation of mass principle Pascal's law Boyle's law Archimedes principle Conservation of mass principle Pascal's law ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low resistance High melting point Low work function Low melting point Low resistance High melting point Low work function Low melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Curie point is the temperature at which A metal loses magnetic properties. Transmutation of metal occurs. Matter becomes radioactive A metal loses conductivity A metal loses magnetic properties. Transmutation of metal occurs. Matter becomes radioactive A metal loses conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 2.8 km, 0.25 km 2.2 km, 0.20 km 1.8 km, 0.15 km 3.3 km, 0.30 km 2.8 km, 0.25 km 2.2 km, 0.20 km 1.8 km, 0.15 km 3.3 km, 0.30 km ANSWER DOWNLOAD EXAMIANS APP
Physics Hydro-electric power is a: Neither renewable nor non renewable resource non-renewable natural resource A mixture of renewable and non-renewable natural resource Renewable natural resource Neither renewable nor non renewable resource non-renewable natural resource A mixture of renewable and non-renewable natural resource Renewable natural resource ANSWER DOWNLOAD EXAMIANS APP
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