Physics The atmospheric layer reflecting radio waves is called Mesosphere Ozonosphere Stratosphere Ionosphere Mesosphere Ozonosphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A doppler effect occurs when a source of sound moves None of these Away from you Towards you Both A & B None of these Away from you Towards you Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by P – n junction diode Sonometer Spectrometer Cathode ray oscilloscope P – n junction diode Sonometer Spectrometer Cathode ray oscilloscope ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of wood is held under water. The upthrust on it will be: Zero More than weight of the wood Equal to the weight of the wood Less than weight of the wood Zero More than weight of the wood Equal to the weight of the wood Less than weight of the wood ANSWER DOWNLOAD EXAMIANS APP
Physics Full form of CFL used in place of electric bulbs is Constantan filament lamp Closed filament lamp Compact fluorescent lamp Closed fluorescent lamp Constantan filament lamp Closed filament lamp Compact fluorescent lamp Closed fluorescent lamp ANSWER DOWNLOAD EXAMIANS APP
Physics If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will Fall behind him Fall into his hand Fall in front of him None of these Fall behind him Fall into his hand Fall in front of him None of these ANSWER DOWNLOAD EXAMIANS APP