Physics Railway tracks are banked on curves so that Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of light is maximum in ________ Vacuum Solids Gases Liquids Vacuum Solids Gases Liquids ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these waves can be polarized ? Light waves Sound waves in air Longitudinal waves on a string Transverse waves on a string Light waves Sound waves in air Longitudinal waves on a string Transverse waves on a string ANSWER DOWNLOAD EXAMIANS APP
Physics What is the other name of Galileo's law of falling bodies? Newton's third law Newton's second law Law of motion Newton's first law Newton's third law Newton's second law Law of motion Newton's first law ANSWER DOWNLOAD EXAMIANS APP
Physics If lift is going up with acceleration, the apparent weight of a body is Less than the true weight More than the true weight Equal to the true weight May be more or less than true weight Less than the true weight More than the true weight Equal to the true weight May be more or less than true weight ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pair is Incorrect?I. Parsec - DistanceII. Barrel - LiquidIII. Light year - Time Only I and III Only II All are correct Only III Only I and III Only II All are correct Only III ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS