Physics Which of the following properties is found only in ferromagnetic materials ? Attracting a magnetic substance Point in a particular direction Hysteresis Susceptibility independent of temperature Attracting a magnetic substance Point in a particular direction Hysteresis Susceptibility independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon varies directly with its Frequency Wave length None of these Speed Frequency Wave length None of these Speed ANSWER DOWNLOAD EXAMIANS APP
Physics Addition of suitable impurities into semiconductor, is called Forming Mixing Diluting Doping Forming Mixing Diluting Doping ANSWER DOWNLOAD EXAMIANS APP
Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The good conducting power of the metal body The greenhouse effect The heat emitted by the engine The double layered wind shield The good conducting power of the metal body The greenhouse effect The heat emitted by the engine The double layered wind shield ANSWER DOWNLOAD EXAMIANS APP
Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Ozonosphere Troposphere Ionosphere Stratosphere Ozonosphere Troposphere Ionosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Physics An oil drop spreads over water because Oil is lighter than water Oil does not mix with water Oil is more viscous water has a higher surface tension Oil is lighter than water Oil does not mix with water Oil is more viscous water has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP
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