Physics In a railway track, two rails are joined end to end with a gap in between them because Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics Liquids and gases never show Ferromagnetic property Paramagnetic property Electromagnetic property Diamagnetic property Ferromagnetic property Paramagnetic property Electromagnetic property Diamagnetic property ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has high temperature coefficient of expansion Has a very low specific heat Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has high temperature coefficient of expansion Has a very low specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour has the highest frequency? Green Violet Red Indigo Green Violet Red Indigo ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, the pressure is the same as that outside. normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. the pressure inside is less than the pressure outside. the pressure is the same as that outside. normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. the pressure inside is less than the pressure outside. ANSWER DOWNLOAD EXAMIANS APP
Physics The energy associated with motion is called Both A & B Potential energy None of these Kinetic energy Both A & B Potential energy None of these Kinetic energy ANSWER DOWNLOAD EXAMIANS APP