Physics Optical fibre works on the total internal reflection scattering interference principle of refraction total internal reflection scattering interference principle of refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Refraction Total internal reflection Diffraction Reflection Refraction Total internal reflection Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The best material for the core of a transformer is Stainless steel Soft iron Hard steel Mild steel Stainless steel Soft iron Hard steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Physics Light houses are places with powerful lights to : Guide and resolve traffic jams in crowded metro-cities during nights Guide and warn the ships coming from different directions in the ocean Indicate to the incoming warships, the location of a harbour during night Guide and help large crowds at religious gathering during nights Guide and resolve traffic jams in crowded metro-cities during nights Guide and warn the ships coming from different directions in the ocean Indicate to the incoming warships, the location of a harbour during night Guide and help large crowds at religious gathering during nights ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines contract in their volume Pipelines expand due to freezing Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines contract in their volume Pipelines expand due to freezing ANSWER DOWNLOAD EXAMIANS APP
Physics When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value depending on amount of water in the pail Above a certain minimum value depending on amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value depending on amount of water in the pail Above a certain minimum value depending on amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail ANSWER DOWNLOAD EXAMIANS APP