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 When hot-water is sprinkled on a hotter glass tumbler, it breaks because Glass suddenly contracts Glass reacts chemically with water Glass suddenly expands Water evaporates Glass suddenly contracts Glass reacts chemically with water Glass suddenly expands Water evaporates ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of falling rain drops attains a terminal value because of Air current Surface tension Viscous force exerted by air Upward thrust due to air Air current Surface tension Viscous force exerted by air Upward thrust due to air ANSWER DOWNLOAD EXAMIANS APP
Physics The theory of relativity is presented by which scientist Marie Curie Isaac Newton Stephen Hawking Albert Einstein Marie Curie Isaac Newton Stephen Hawking Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Diffraction Reflection Refraction Total internal reflection Diffraction Reflection Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is used for sun glasses ? Pyrex glass Crooks glass Flint glass Crystal glass Pyrex glass Crooks glass Flint glass Crystal glass ANSWER DOWNLOAD EXAMIANS APP
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