Physics For a ray of light to suffer total internal reflection it has to pass from : Air to glass Air to water Water to glass Glass to water Air to glass Air to water Water to glass Glass to water ANSWER DOWNLOAD EXAMIANS APP
Physics Visible light has a higher frequency than All listed here Radio waves Ultra violet X rays All listed here Radio waves Ultra violet X rays ANSWER DOWNLOAD EXAMIANS APP
Physics Energy in reflected light : Does not depends on the angle of incidence Becomes maximum for angle of incidence equal to 45° Decreases with the increase in angle of incidence Increases with the increase in angle Does not depends on the angle of incidence Becomes maximum for angle of incidence equal to 45° Decreases with the increase in angle of incidence Increases with the increase in angle ANSWER DOWNLOAD EXAMIANS APP
Physics Natural radioactivity was discovered by Enrico Fermi Henri Becquerel Marie Curie Ernest Rutherfor Enrico Fermi Henri Becquerel Marie Curie Ernest Rutherfor ANSWER DOWNLOAD EXAMIANS APP
Physics Ball pen functions on the principle of : Surface tension Viscosity Boyle's Law Gravitational force Surface tension Viscosity Boyle's Law Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Physics A needle or a pin floats on the surface of water because of Adhesive force Surface tension Viscosity Surface energy Adhesive force Surface tension Viscosity Surface energy ANSWER DOWNLOAD EXAMIANS APP