Physics Sound waves cannot travel in Hydrogen gas Water Vacuum Glass Hydrogen gas Water Vacuum Glass ANSWER DOWNLOAD EXAMIANS APP
Physics Kirchhoff's laws are applicable to C. circuits only None of these C. circuits only C. and A.C. circuits both C. circuits only None of these C. circuits only C. and A.C. circuits both ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 3R/4 5R/4 2R R/2 3R/4 5R/4 2R R/2 ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low work function Low resistance High melting point Low melting point Low work function Low resistance High melting point Low melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Joule-Kelvin effect Thermo-electric effect Super conductivity Adiabatic demagnetisation Joule-Kelvin effect Thermo-electric effect Super conductivity Adiabatic demagnetisation ANSWER DOWNLOAD EXAMIANS APP
Physics 1 Joule is Equal to 10^3 ergs 10^6 ergs 10^7 ergs 10^5 ergs 10^3 ergs 10^6 ergs 10^7 ergs 10^5 ergs ANSWER DOWNLOAD EXAMIANS APP
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