Physics The atmospheric layer reflecting radio waves is called Mesosphere Stratosphere Ionosphere Ozonosphere Mesosphere Stratosphere Ionosphere Ozonosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that 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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 336 J 2268 J 4.2 J 80 J 336 J 2268 J 4.2 J 80 J ANSWER DOWNLOAD EXAMIANS APP
Physics Hydro-electric power is a: Renewable natural resource Neither renewable nor non renewable resource A mixture of renewable and non-renewable natural resource non-renewable natural resource Renewable natural resource Neither renewable nor non renewable resource A mixture of renewable and non-renewable natural resource non-renewable natural resource ANSWER DOWNLOAD EXAMIANS APP
Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 8.5 A 24 A 0.41666666666667 8.5 A 24 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Physics Radio activity is due to Unstable nucleus Stable electronic configu-ration Stable electronic configu-ration Stable nucleus Unstable nucleus Stable electronic configu-ration Stable electronic configu-ration Stable nucleus ANSWER DOWNLOAD EXAMIANS APP
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