Physics When an atom loses an electron it becomes Neutron Positive ion Negative ion None of these Neutron Positive ion Negative ion None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Reflection Interference Polarisation Refraction Reflection Interference Polarisation Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics If an object is thrown upwards, what will be its velocity, when it reaches its maximum height? 0 m/s 20 m/s 4.9 m/s 14.7 m/s 0 m/s 20 m/s 4.9 m/s 14.7 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics 'Therm' is the unit of Distance Heat Light Power Distance Heat Light Power ANSWER DOWNLOAD EXAMIANS APP
Physics Gas thermometers are more sensitive than the liquid thermometers because the gases Have low specific heat Have large coefficient of expansion Have high,specific heat Are lighter Have low specific heat Have large coefficient of expansion Have high,specific heat Are lighter ANSWER DOWNLOAD EXAMIANS APP
Physics A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that The initial momentum of the rubber ball is greater than that of the metal ball The rubber ball suffers greater change in momentum The metal ball suffers greater change in momentum Both suffer the same change in momentum The initial momentum of the rubber ball is greater than that of the metal ball The rubber ball suffers greater change in momentum The metal ball suffers greater change in momentum Both suffer the same change in momentum ANSWER DOWNLOAD EXAMIANS APP