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 Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation? Polarization Diffraction Scattering Interference Polarization Diffraction Scattering Interference ANSWER DOWNLOAD EXAMIANS APP
Physics The radiation initially produced in fluorescent tube is Infrared Ultraviolet X-rays Microwaves Infrared Ultraviolet X-rays Microwaves ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a form of Energy? Heat Sound Motion Pressure Heat Sound Motion Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Which compressor is usually used in AC? Rotary Reciprocating Axial Centrifugal Rotary Reciprocating Axial Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Can be reflected or refracted Travel with the speed of light Can affect photographic plates Have low penetrating power Can be reflected or refracted Travel with the speed of light Can affect photographic plates Have low penetrating power ANSWER DOWNLOAD EXAMIANS APP
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