Physics The waveform of a certain signal can be studied by P – n junction diode Cathode ray oscilloscope Sonometer Spectrometer P – n junction diode Cathode ray oscilloscope Sonometer Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the body is: [Given g = 9.8 m/s2] 1568 C 1568 J 1568 W 1568 N 1568 C 1568 J 1568 W 1568 N ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Photovoltaic cell Thermocouple Heliostats Photodiode Photovoltaic cell Thermocouple Heliostats Photodiode ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has low temperature coefficient of expansion Has a very low specific heat Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has a very low specific heat Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands ANSWER DOWNLOAD EXAMIANS APP
Physics What type of heat transfer is boiling water? Convection None of these Radiation Conduction Convection None of these Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic hydrogen has a life period of One minute One day One hour A fraction of a second One minute One day One hour A fraction of a second ANSWER DOWNLOAD EXAMIANS APP
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