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 The train may not fall down inwards Necessary centripetal 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 centrifugal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards Necessary centripetal 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops fall from great height. Which among the following statements is true regarding it? Their velocity increases and they fall with same velocity on the earth They fall with that ultimate velocity, which are different for different droplets Their velocity increases and they fall with different velocity on the earth They fall with same ultimate velocity Their velocity increases and they fall with same velocity on the earth They fall with that ultimate velocity, which are different for different droplets Their velocity increases and they fall with different velocity on the earth They fall with same ultimate velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Light year is a unit of Light Distance Intensity of light Time Light Distance Intensity of light Time ANSWER DOWNLOAD EXAMIANS APP
Physics A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank? The liquid surface falls down on the direction of motion and rises up on the back side of the tank The surface of the liquid remains horizontal None The liquid surface falls down only at the center of the tank The liquid surface falls down on the direction of motion and rises up on the back side of the tank The surface of the liquid remains horizontal None The liquid surface falls down only at the center of the tank ANSWER DOWNLOAD EXAMIANS APP
Physics On the Kelvin scale, the melting point of ice is 373K 100K 273K 0 K 373K 100K 273K 0 K ANSWER DOWNLOAD EXAMIANS APP
Physics One light year is equal to 9 trillion miles 6 trillion miles 8 trillion miles 2 trillion miles 9 trillion miles 6 trillion miles 8 trillion miles 2 trillion miles ANSWER DOWNLOAD EXAMIANS APP
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