Physics What is the minimum distance (in metres) required to hear an echo? 13 17 10 21 13 17 10 21 ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on the scattering total internal reflection interference principle of refraction scattering total internal reflection interference principle of refraction ANSWER DOWNLOAD EXAMIANS APP
Physics If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is Height of the liquid column Acceleration due to gravity at the bottom of the vessel Density of the liquid Surface area of the bottom of the vessel Height of the liquid column Acceleration due to gravity at the bottom of the vessel Density of the liquid Surface area of the bottom of the vessel ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? Zero gravity Acceleration Inertia None of these Zero gravity Acceleration Inertia None of these ANSWER DOWNLOAD EXAMIANS APP
Physics At constant pressure, the volume of a fixed mass of a gas is directly proportional to its absolute temperature. It is the statement of Boyle's Law Gay-Lussac's Law Charle's Law Avogadro's Law Boyle's Law Gay-Lussac's Law Charle's Law Avogadro's Law ANSWER DOWNLOAD EXAMIANS APP
Physics Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver) Weighing will depend on their masses The gold piece will weigh more Both silver and gold pieces weigh equal The silver piece will weigh more Weighing will depend on their masses The gold piece will weigh more Both silver and gold pieces weigh equal The silver piece will weigh more ANSWER DOWNLOAD EXAMIANS APP