Physics Rolling friction is caused by ________ Gravity Non-elastic effects Buoyancy Power dissipation Gravity Non-elastic effects Buoyancy Power dissipation ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of the wheels of a bullock-cart while moving on the road is an example of Oscillatory and rotatory motion Translatory and rotatory motion Translatory motion only Oscillatory and translatory motion Oscillatory and rotatory motion Translatory and rotatory motion Translatory motion only Oscillatory and translatory motion ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Mesosphere Ionosphere Stratosphere Exosphere Mesosphere Ionosphere Stratosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Stratosphere Ionosphere Mesosphere Troposphere Stratosphere Ionosphere Mesosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
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 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 Necessary centrifugal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards 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 ANSWER DOWNLOAD EXAMIANS APP
Physics A radioactive substance does not undergo any change (in mass or charge) during Alpha-emission Oxidation Beta-emission Gamma-emission Alpha-emission Oxidation Beta-emission Gamma-emission ANSWER DOWNLOAD EXAMIANS APP