Physics Which one of the following is used for sun glasses ? Flint glass Crystal glass Pyrex glass Crooks glass Flint glass Crystal glass Pyrex glass Crooks glass ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be P > P 2P < P P > P 2P < P ANSWER DOWNLOAD EXAMIANS APP
Physics Propagation of sound can be visualised as propagation of ________ variations in the medium Elasticity Viscosity Porosity Density Elasticity Viscosity Porosity Density ANSWER DOWNLOAD EXAMIANS APP
Physics Addition of suitable impurities into semiconductor, is called Doping Mixing Forming Diluting Doping Mixing Forming Diluting ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open at the top of Mt. Everest at a place in a valley below sea level in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level at sea level at the top of Mt. Everest at a place in a valley below sea level in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level at sea level ANSWER DOWNLOAD EXAMIANS APP
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