Physics Which is best used as a sound absorbing material in partition walls ? Glass - wool Glass pieces Stone chips Steel Glass - wool Glass pieces Stone chips Steel ANSWER DOWNLOAD EXAMIANS APP
Physics What is the process of conversion of solid state directly to gaseous state called? Condensation Evaporation Distillation Sublimation Condensation Evaporation Distillation Sublimation 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 Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Plastics have a lower density than metals Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Metals are good conductors of heat ANSWER DOWNLOAD EXAMIANS APP
Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 0.41666666666667 8.5 A 24 A 0.41666666666667 8.5 A 24 A ANSWER DOWNLOAD EXAMIANS APP
Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 100 J 75 J 150 J 50 J 100 J 75 J 150 J 50 J ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Effect of other magnets Demagnetization due to heating Earth's magnetic field Self-demagnetization Effect of other magnets Demagnetization due to heating Earth's magnetic field Self-demagnetization ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS