Physics In the remote control of television, electromagnetic waves used are Microwave Ultraviolet Radiowave Infrared Microwave Ultraviolet Radiowave Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is John Logie Baird Heinrich Hertz James Clerk Maxwell Thomas Alva Edison John Logie Baird Heinrich Hertz James Clerk Maxwell Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is seen after rain because of hanging molecules of water which act as Mirrors Lenses Slabs Prisms Mirrors Lenses Slabs Prisms ANSWER DOWNLOAD EXAMIANS APP
Physics Optical Fibre technology works on which of these principles of Physics? Photoelectric effect Bernoulli's Principle Total internal reflection of Light Newton's law of Motion Photoelectric effect Bernoulli's Principle Total internal reflection of Light Newton's law of Motion ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: Natural radioactivity was discovered by Enrico Fermi Henry Bacquerel Marie Curie Earnest Rutherford Enrico Fermi Henry Bacquerel Marie Curie Earnest Rutherford ANSWER DOWNLOAD EXAMIANS APP
Physics For a ray of light to suffer total internal reflection it has to pass from : Air to water Air to glass Water to glass Glass to water Air to water Air to glass Water to glass Glass to water ANSWER DOWNLOAD EXAMIANS APP