Physics Sound travels at the fastest speed in air water steel vacuum air water steel vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is Heinrich Hertz Thomas Alva Edison James Clerk Maxwell John Logie Baird Heinrich Hertz Thomas Alva Edison James Clerk Maxwell John Logie Baird ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fiber works on the principle of Interference Total internal reflection Refraction Scattering Interference Total internal reflection Refraction Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is preferred for accelerating electrons? Betatron Synchrotron Van de Graft Generator Cyclotron Betatron Synchrotron Van de Graft Generator Cyclotron ANSWER DOWNLOAD EXAMIANS APP
Physics The coil wire in the electric room heater or electric cooking heater is called ________ Cells Circuit Element Filament Cells Circuit Element Filament ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has High intensity High frequency Low refraction in the medium Long wavelength High intensity High frequency Low refraction in the medium Long wavelength ANSWER DOWNLOAD EXAMIANS APP
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