Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Not work at all Work as efficiently as on the earth Work with reduced efficiency Work with increased efficiency Not work at all Work as efficiently as on the earth Work with reduced efficiency Work with increased efficiency 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 metal ball suffers greater change in momentum The rubber 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 metal ball suffers greater change in momentum The rubber ball suffers greater change in momentum Both suffer the same change in momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Addition of suitable impurities into semiconductor, is called Forming Diluting Mixing Doping Forming Diluting Mixing Doping ANSWER DOWNLOAD EXAMIANS APP
Physics The S.I. unit of electric charge is : Ampere Coulomb Kelvin E.s.u Ampere Coulomb Kelvin E.s.u ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because Centre of gravity falls within the body Centre of gravity and centre of equilibrium fall within the feet Weights of buckets are balanced Resultant weight of buckets is zero Centre of gravity falls within the body Centre of gravity and centre of equilibrium fall within the feet Weights of buckets are balanced Resultant weight of buckets is zero ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature do the Fahrenheit and Celsius scales give the same reading? 212 degrees 32 degreees -40 degreees 0 degreees 212 degrees 32 degreees -40 degreees 0 degreees ANSWER DOWNLOAD EXAMIANS APP