Physics Beta rays emitted by a radioactive material are Neutral particles The electrons orbiting around the nucleus Charged particles emitted by nucleus Electromagnetic radiations Neutral particles The electrons orbiting around the nucleus Charged particles emitted by nucleus Electromagnetic radiations ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and convection only Conduction, convection and radiation Conduction and radiation only Convection and radiation only Conduction and convection only Conduction, convection and radiation Conduction and radiation only Convection and radiation only ANSWER DOWNLOAD EXAMIANS APP
Physics One Kilowatt hour is equal to - 3.8 Mega Joule 3.2 Mega Joule 4.0 Mega Joule 3.6 Mega Joule 3.8 Mega Joule 3.2 Mega Joule 4.0 Mega Joule 3.6 Mega Joule ANSWER DOWNLOAD EXAMIANS APP
Physics The working of the quartz crystal in the watch is based on the Johnson Effect Edison Effect Photoelectric Effect Piezo - electric Effect Johnson Effect Edison Effect Photoelectric Effect Piezo - electric Effect ANSWER DOWNLOAD EXAMIANS APP
Physics Depth of ocean is measured by Fathometer Animometer Siesmometer Aerometer Fathometer Animometer Siesmometer Aerometer ANSWER DOWNLOAD EXAMIANS APP
Physics A rear-view mirror for driving is Plain Convex Inverted Concave Plain Convex Inverted Concave ANSWER DOWNLOAD EXAMIANS APP