Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? All will cool at the same rate Cube Sphere Circular plate All will cool at the same rate Cube Sphere Circular plate ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 1000 0.008 2000 0.016 1000 0.008 2000 0.016 ANSWER DOWNLOAD EXAMIANS APP
Physics Contact force is another name for ________ Magnetic force Muscular force Friction Electrostatic force Magnetic force Muscular force Friction Electrostatic force ANSWER DOWNLOAD EXAMIANS APP
Physics Energy per unit volume is dimensionally equal to Force Density Work Pressure Force Density Work Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because It does not form a closed path for the flow of current The body is earthed Its feet are good insulators It has high resistance It does not form a closed path for the flow of current The body is earthed Its feet are good insulators It has high resistance ANSWER DOWNLOAD EXAMIANS APP
Physics Propagation of sound can be visualised as propagation of ________ variations in the medium Porosity Density Elasticity Viscosity Porosity Density Elasticity Viscosity ANSWER DOWNLOAD EXAMIANS APP
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