Physics Coolis tube is used to produce Micro waves Radio waves X-rays Gama rays Micro waves Radio waves X-rays Gama rays ANSWER DOWNLOAD EXAMIANS APP
Physics Angle of friction and angle of repose are Not equal to each other Proportional to each other Equal to each other None of these Not equal to each other Proportional to each other Equal to each other None of these ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become Double Half One–fourth Four times Double Half One–fourth Four times ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Hysteresis loss alone Intense sunlight at noon The heating effect of current alone Both the heating effect of current and hysteresis loss Hysteresis loss alone Intense sunlight at noon The heating effect of current alone Both the heating effect of current and hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Physics At the center of the sun, fusion converts hydrogen into Plutonium Water Helium Carbon Plutonium Water Helium Carbon ANSWER DOWNLOAD EXAMIANS APP
Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Decreased by 4% Increased by 4% Decreased by 2% Increased by 2% Decreased by 4% Increased by 4% Decreased by 2% Increased by 2% ANSWER DOWNLOAD EXAMIANS APP