Physics For an ideal gas, which one of the following statements does not hold true? The potential energy of the gas molecules is zero There is no interactive force between the molecules. The kinetic energies of all gas molecules are not same The speed of all gas molecules is same The potential energy of the gas molecules is zero There is no interactive force between the molecules. The kinetic energies of all gas molecules are not same The speed of all gas molecules is same ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ? The question is incomplete because the masses of the spheres are not given. B will reach the ground first. A will reach the ground first. Both the spheres will reach the ground simultaneously. The question is incomplete because the masses of the spheres are not given. B will reach the ground first. A will reach the ground first. Both the spheres will reach the ground simultaneously. ANSWER DOWNLOAD EXAMIANS APP
Physics Supercooling is cooling of liquid ________ Above melting point At melting point Below melting point Below freezing point Above melting point At melting point Below melting point Below freezing point ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? Acceleration None of these Zero gravity Inertia Acceleration None of these Zero gravity Inertia ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves do not show the phenomenon of Interference Polarisation Refraction Diffraction Interference Polarisation Refraction Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft ANSWER DOWNLOAD EXAMIANS APP