Physics In a water lifting electric pump, we convert Electrical energy into Potential energy Electrical energy into Kinetic energy Kinetic energy into Electrical energy Kinetic energy into Potential energy Electrical energy into Potential energy Electrical energy into Kinetic energy Kinetic energy into Electrical energy Kinetic energy into Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics The wave like properties of electrons are useful in Magnifying objects Weather reports All of these Lasers Magnifying objects Weather reports All of these Lasers ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because Egg absorbs salt from the solution and expands The density of salt solution exceeds the density of eggs Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension Egg absorbs salt from the solution and expands The density of salt solution exceeds the density of eggs Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension ANSWER DOWNLOAD EXAMIANS APP
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 Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: They have high melting point. They contain free electrons. All of these The atoms are lightly packed. They have high melting point. They contain free electrons. All of these The atoms are lightly packed. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following occurred first ? Wright Brothers successfully flew an aircraft Albert Einstein propounded the General Theory of Relativity Max Planck unveiled the Quantum Theory Guglielmo Marconi sent out the first wireless signals Wright Brothers successfully flew an aircraft Albert Einstein propounded the General Theory of Relativity Max Planck unveiled the Quantum Theory Guglielmo Marconi sent out the first wireless signals ANSWER DOWNLOAD EXAMIANS APP