Physics Which of the following is the unit of perceived loudness of sound ? Phon Sone Hertz Decibel Phon Sone Hertz Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because Of the high viscosity of mercury Mercury is a semisolid Of the surface tension of mercury The density of mercury is greater than that of steel Of the high viscosity of mercury Mercury is a semisolid Of the surface tension of mercury The density of mercury is greater than that of steel ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of energy in MKS system is Joule Volt Ohm Erg Joule Volt Ohm Erg ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in Oscillators Rectifiers Amplifiers None of these Oscillators Rectifiers Amplifiers None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which one type of radiation has the longest wave length Radio Wave X-ray Ultraviolet Infrared Radio Wave X-ray Ultraviolet Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is James Clerk Maxwell Heinrich Hertz John Logie Baird Thomas Alva Edison James Clerk Maxwell Heinrich Hertz John Logie Baird Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP