Physics Railway tracks are banked on curves necessary centripetal force may be obtained from the horizontal component of the weight of the train to avoid frictional force between the tracks and wheels necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction necessary centripetal force may be obtained from the horizontal component of the weight of the train to avoid frictional force between the tracks and wheels necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a good conductor of heat but a bad conductor of electricity ? Mica Celluloid Asbestos Rubber Mica Celluloid Asbestos Rubber ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves in air are longitudinal transverse polarised electromagnetic longitudinal transverse polarised electromagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of Viscosity Diffusion Surface tension Capillarity Viscosity Diffusion Surface tension Capillarity ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of sky is due to Scattering of shorter wavelengths of sunlight in the atmosphere Refraction of sunlight Scattering of longer wavelengths of sunlight in the atmosphere Reflection of sunlight Scattering of shorter wavelengths of sunlight in the atmosphere Refraction of sunlight Scattering of longer wavelengths of sunlight in the atmosphere Reflection of sunlight ANSWER DOWNLOAD EXAMIANS APP
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