Physics Which of the following has the lowest frequency? Gamma rays Visible light Xrays Ultra violet rays Gamma rays Visible light Xrays Ultra violet rays ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of magnetic permeability is Henry Henry/meter Weber Weber/meter Henry Henry/meter Weber Weber/meter ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic hydrogen has a life period of A fraction of a second One hour One minute One day A fraction of a second One hour One minute One day ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Passing direct current through it Passing alternating current through it Hammering a magnet Heating a magnet Passing direct current through it Passing alternating current through it Hammering a magnet Heating a magnet ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? 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 Optical fiber ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is Heinrich Hertz James Clerk Maxwell John Logie Baird Thomas Alva Edison Heinrich Hertz James Clerk Maxwell John Logie Baird Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
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