16. Transmutation is a. an Alchemist\'s approach to making new elements. b. the

Question

16. Transmutation is a. an Alchemist's approach to making new elements. b. the conversion of an atomic nucleus into an atomic nucleus of another element through the gain or loss in the number of protons. c. the conversion of elements to new elements by changing the number of electrons. d. the transport of a nucleus after bombarded by high energy particles. 17. Order alpha rays, beta rays and gamma rays by mass Heaviest Lightest 18. de Broglie's contribution to quantum theory was that he suggested that a. light is emitted at discrete wavelengths from the decay of electrons from one orbit to a lower orbit. b. the number of electrons in each orbit could be determined by the electron's spin. c. the circumference of the electron orbits must be a whole-number multiple of the electron's wavelength. d. he developed the wave equation for quantum mechanics that is the equivalent of Newton's laws for classical mechanics. e. light was bent by gravitational fields. 19. The Correspondence Principle is a. the rule that a new theory must produce the same results as the old theory where the old theory is known to be valid. b. a statement of time dilation when the velocity is zero. c. the proper way for physicists to communicate their results to scientific journals d. proof of constructive interference of electron waves around nuclei. e. None of the above.

Explanation / Answer

16. option c is correct because it is the conversion of one chemical element or isotope into another through nuclear reaction

17. Heaviest is alpha particle which is helium nuclei and lightest is gamma rays which is made of photons which are massless and in between them is bet particle which is electron.

18. option c is correct

19.The correspondence principle states that the behavior of systems described by the theory of quantum mechanics reproduces classical physics in the limit of large quantum numbers. Thus option a is correct.

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