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 The train may not fall down inwards 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 No frictional force may be produced between the tracks and the wheels 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 Absolute Zero is defined as At which liquid Helium boils The temperature at which all molecular motion ceases At which water boils at 298K At which the volume becomes zero At which liquid Helium boils The temperature at which all molecular motion ceases At which water boils at 298K At which the volume becomes zero ANSWER DOWNLOAD EXAMIANS APP
Physics The lift of an aeroplane is caused by Bernouli's theorem Pascel's law Law of gravitation Theorem of continuity Bernouli's theorem Pascel's law Law of gravitation Theorem of continuity ANSWER DOWNLOAD EXAMIANS APP
Physics If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths? LUV < lVIS < lIR LUV > lVIS > lIR LUV > lIR > lVIS LUV < lIR < lVIS LUV < lVIS < lIR LUV > lVIS > lIR LUV > lIR > lVIS LUV < lIR < lVIS ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is the unit of surface tension of a liquid Joule/ mm None of these Electron volt /cm2 Newton /m2 Joule/ mm None of these Electron volt /cm2 Newton /m2 ANSWER DOWNLOAD EXAMIANS APP
Physics A nuclear reactor is said to have become 'critical' when It is shut down to avoid explosion It is ready to produce controlled energy It stops due to malfunctioning It starts emitting dangerous radioactive radiations It is shut down to avoid explosion It is ready to produce controlled energy It stops due to malfunctioning It starts emitting dangerous radioactive radiations ANSWER DOWNLOAD EXAMIANS APP
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