Physics The atmospheric layer reflecting radio waves is called Stratosphere Ionosphere Mesosphere Ozonosphere Stratosphere Ionosphere Mesosphere Ozonosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The quantity that is not conserved in an inelastic collision is All of these Total Energy Momentum Kinetic Energy All of these Total Energy Momentum Kinetic Energy ANSWER DOWNLOAD EXAMIANS APP
Physics Mercury is commonly used as a thermometric fluid rather than water because mercury has greater visibility than water density of mercury is more than the water specific heat of mercury is less than water specific heat of mercury is more than water mercury has greater visibility than water density of mercury is more than the water specific heat of mercury is less than water specific heat of mercury is more than water ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 4 R/5 5 R/4 R/5 5 R 4 R/5 5 R/4 R/5 5 R ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of change in direction of light when it passes from one medium to another is called Reflection Dispersion Propagation Refraction Reflection Dispersion Propagation Refraction 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 : Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat ANSWER DOWNLOAD EXAMIANS APP
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