Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to expansion in summer can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics Flight Recorder is technically called : Black box Blind box Dark box Altitude meter Black box Blind box Dark box Altitude meter ANSWER DOWNLOAD EXAMIANS APP
Physics Isotopes of an element contain the same number of protons but different number of neutrons equal number of protons and electrons the same number of neutrons but different number of protons equal number of nucleons the same number of protons but different number of neutrons equal number of protons and electrons the same number of neutrons but different number of protons equal number of nucleons ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical burns occur principally because of The high energy of electrons All of these Radiation pulses of the electricity The heat generated by the flow of electrical current through the body The high energy of electrons All of these Radiation pulses of the electricity The heat generated by the flow of electrical current through the body ANSWER DOWNLOAD EXAMIANS APP
Physics A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice at an interval of 4 seconds. The ball was thrown with the velocity of 25 m/s 30 m/s 18 m/s 36 m/s 25 m/s 30 m/s 18 m/s 36 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics A liquid disturbed by stirring comes to rest due to Viscosity Centripetal force Surface tension Density Viscosity Centripetal force Surface tension Density ANSWER DOWNLOAD EXAMIANS APP
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