Physics Railway tracks are banked on curves necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction to avoid frictional force between the tracks and wheels necessary centripetal force may be obtained from the horizontal component of the weight of the train necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction to avoid frictional force between the tracks and wheels necessary centripetal force may be obtained from the horizontal component of the weight of the train 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 50 J 150 J 75 J 100 J 50 J 150 J 75 J ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It becomes very hard It has a low specific heat capacity It reflects most of the heat from the sun It has a high latent heat of fusion It becomes very hard It has a low specific heat capacity It reflects most of the heat from the sun It has a high latent heat of fusion ANSWER DOWNLOAD EXAMIANS APP
Physics Forged documents are detected by Beta rays Gamma rays Infra-red rays Ultraviolet rays Beta rays Gamma rays Infra-red rays Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity Entropy? Pascal per kelvin Watt per kelvin Newton per kelvin Joule per kelvin Pascal per kelvin Watt per kelvin Newton per kelvin Joule per kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics A water tank appears shallower when it is viewed from top due to Refraction Total internal reflection Rectilinear propagation of light Reflection Refraction Total internal reflection Rectilinear propagation of light Reflection ANSWER DOWNLOAD EXAMIANS APP
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