Physics What is the reason for twinkling of stars ? Dispersion of light Total internal reflection Atmospheric reflection Atmospheric refraction Dispersion of light Total internal reflection Atmospheric reflection Atmospheric refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Hydroscope is an instrument that shows changes in: Sound under water Density of liquid None of these Atmospheric humidity Sound under water Density of liquid None of these Atmospheric humidity ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: Natural radioactivity was discovered by Enrico Fermi Marie Curie Henry Bacquerel Earnest Rutherford Enrico Fermi Marie Curie Henry Bacquerel Earnest Rutherford ANSWER DOWNLOAD EXAMIANS APP
Physics Who enunciated the laws of planetary motion? Nicolaus Copernicus Johannes Kepler Galileo Isaac Newton Nicolaus Copernicus Johannes Kepler Galileo Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Copernicus Martin Luther Johannes Kepler Galileo Copernicus Martin Luther Johannes Kepler Galileo ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The pressure of blood in capillaries is greater than the outside pressure The blood pressure fluctuates and finally decreases drastically The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure The blood pressure fluctuates and finally decreases drastically The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains ANSWER DOWNLOAD EXAMIANS APP