Physics 1 Micron is equal to 10–12 m 10–9 m 10–6 m 10–15 m 10–12 m 10–9 m 10–6 m 10–15 m ANSWER DOWNLOAD EXAMIANS APP
Physics In the gamma decay of a nucleus Neither the mass number nor the atomic number of the nucleus changes Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes The mass number of the nucleus changes whereas its atomic number does not change Neither the mass number nor the atomic number of the nucleus changes Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes The mass number of the nucleus changes whereas its atomic number does not change ANSWER DOWNLOAD EXAMIANS APP
Physics Parabolic mirrors are used in Dentists mirros Shaving mirros Driving mirrors Car headlights Dentists mirros Shaving mirros Driving mirrors Car headlights 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, 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 Conduction and convection only ANSWER DOWNLOAD EXAMIANS APP
Physics Heavy water is used in nuclear reactor to Increase speed of neutron Increase temperature Absorb neutron Slow down neutron Increase speed of neutron Increase temperature Absorb neutron Slow down neutron ANSWER DOWNLOAD EXAMIANS APP
Physics Infrasonic sound has a frequency lower than 5 Hz 15 Hz 20 Hz 32 Hz 5 Hz 15 Hz 20 Hz 32 Hz ANSWER DOWNLOAD EXAMIANS APP