Options: It was a charter of Rights granted to the Englishmen during 1215 AD by King John II, It was a charter guaranteeing the freedom of the barons, the church and the common man, It is the foundation stone of the rights and liberties of the English people, All of the above
Options: the intensity of light emitted by them changes with time, the distance of the stars from the earth changes with time, the refractive index of the different layers of the earth's atmosphere changes continuously, consequently the position of the image of a start changes with time, the light from the star is scattered by the dust particles and air molecules in the earth's atmosphere
The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?
Options: Robert Oppenheimer, James B. Conant, Leslie R. Groves, Vannevar Bush