Physics An optically plane surface reflects a beam of light As a parallel beam in one direction As diffused beams in all directions As parallel beams in all directions As a diffused beam in one direction As a parallel beam in one direction As diffused beams in all directions As parallel beams in all directions As a diffused beam in one direction ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic hydrogen has a life period of One hour A fraction of a second One minute One day One hour A fraction of a second One minute One day ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? Optical fiber Radio wave Microwave All are operating at nearly the same propagation speed Optical fiber Radio wave Microwave All are operating at nearly the same propagation speed ANSWER DOWNLOAD EXAMIANS APP
Physics Rolling friction is caused by ________ Gravity Power dissipation Buoyancy Non-elastic effects Gravity Power dissipation Buoyancy Non-elastic effects ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Nickel Nichrome Chromium Tungsten Nickel Nichrome Chromium Tungsten ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the Sun reaches the Earth by Conduction Reflection Radiation Convection Conduction Reflection Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
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