Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 1010 0.001 0.01 1 × 10–10 1 × 1010 0.001 0.01 1 × 10–10 ANSWER DOWNLOAD EXAMIANS APP
Physics Noise is measured in Watt REM Decibel Centigrade Watt REM Decibel Centigrade ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic field lines about a current-carrying wire Extend radially from the wire None of these Circle the wire in closed loops Both of these Extend radially from the wire None of these Circle the wire in closed loops Both of these ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria Microwave radiation X-rays Infrared rays Ultra-violet radiation Microwave radiation X-rays Infrared rays Ultra-violet radiation ANSWER DOWNLOAD EXAMIANS APP
Physics The width of depletion layer of a P-N junction Is increased under reverse bias Decreases with light doping Is independent of applied voltage Increases with heavy doping Is increased under reverse bias Decreases with light doping Is independent of applied voltage Increases with heavy doping 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 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 Conduction, convection and radiation ANSWER DOWNLOAD EXAMIANS APP
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