Physics The unit of intensity of electric field is N/c J/c N/m Volt N/c J/c N/m Volt ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? It is very small in size Its energy levels are very close to each other It is highly electropositive It has only one electron It is very small in size Its energy levels are very close to each other It is highly electropositive It has only one electron ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? Quartz clocks White dwarfs Pulsars Atomic clocks Quartz clocks White dwarfs Pulsars Atomic clocks ANSWER DOWNLOAD EXAMIANS APP
Physics Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds 1 5.5 0.5 11 1 5.5 0.5 11 ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because the rolling friction is much less than the sliding friction the full weight of the barrel comes into play when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled more surface area of the barrel is in contact with the road when it is pulled the rolling friction is much less than the sliding friction the full weight of the barrel comes into play when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled more surface area of the barrel is in contact with the road when it is pulled ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? Their lungs are very large They use less oxygen They fly inactively They have extra air sacs Their lungs are very large They use less oxygen They fly inactively They have extra air sacs ANSWER DOWNLOAD EXAMIANS APP
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