Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Johannes Kepler Copernicus Galileo Martin Luther Johannes Kepler Copernicus Galileo Martin Luther ANSWER DOWNLOAD EXAMIANS APP
Physics The average kinetic energy of the molecules of an ideal gas is directly proportional to Velocity of Molecules Absolute temperature of the gas Temperature of environment Mass of Molecules Velocity of Molecules Absolute temperature of the gas Temperature of environment Mass of Molecules ANSWER DOWNLOAD EXAMIANS APP
Physics Who gave black hole theory? None of these Stephen Hawking Albert Einstein Isaac Newton None of these Stephen Hawking Albert Einstein Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Reflect back the heat given by earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth Produce heat and radiate it toward earth Reflect back the heat given by earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth Produce heat and radiate it toward earth ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1+k2/k1k2 2k1k2/k1+k2 K1k2/k1+k2 None K1+k2/k1k2 2k1k2/k1+k2 K1k2/k1+k2 None ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of stone is immersed in water, it displaces water of equal Specific gravity Mass Volume Density Specific gravity Mass Volume Density ANSWER DOWNLOAD EXAMIANS APP