Physics Propagation of sound can be visualised as propagation of ________ variations in the medium Density Elasticity Viscosity Porosity Density Elasticity Viscosity Porosity ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 40 80 4000 2000 40 80 4000 2000 ANSWER DOWNLOAD EXAMIANS APP
Physics If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects? Velocity Acceleration Momentum Kinetic Energy Velocity Acceleration Momentum Kinetic Energy ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because The density of mercury is greater than that of steel Of the surface tension of mercury Of the high viscosity of mercury Mercury is a semisolid The density of mercury is greater than that of steel Of the surface tension of mercury Of the high viscosity of mercury Mercury is a semisolid ANSWER DOWNLOAD EXAMIANS APP
Physics The sound produced by a bat is– Audible Ultrasonic Infrasonic Subsonic Audible Ultrasonic Infrasonic Subsonic ANSWER DOWNLOAD EXAMIANS APP
Physics A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum: When it is just on the half-way Just after it is dropped Just before it touches the ground When it touches the ground When it is just on the half-way Just after it is dropped Just before it touches the ground When it touches the ground ANSWER DOWNLOAD EXAMIANS APP
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