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Free Online Mock Physics Multiple Choice Test on Atomic Nuclearphysics
Sub Category : Atomic Nuclearphysics Test : 6 Time Left :
1) When a slow neutron goes sufficiently close to a U235 nucleus, the process that occurs is(1) Fission of U235 (2) Fusion of neutron (3) Fusion of U235 (4) All of these
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2) An element A decays into an element C by a two step process:A arrow B +2He4 B arrow C + 2 (-1e0) Then (1) A and C are isotopes (2) A and C are isobars (3) A and B are isotopes (4) A and B are isobars.
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3)The splitting of a spectral line into groups under the effect of electric and magnetic field is called
(1) Zeeman effect (2) Bohr effect (3) Heisenberg effect (4) Magnetic effect
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4) The wavelength of radiation emitted is lamda 0 when an electron jumps from the third to the second orbit of hydrogen atom. For the electron jump from the fourth to the second orbit of the hydrogen atom, the wavelength of radiation emitted will be(1) 20/27 lamda 0 (2) 27/20 lamda 0 (3) 16/25 lamda 0 (4) 25/16 lamda 0
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5) Which of the following isotopes is used for treatment of cancer?(1) CO60 (2) K40 (3) Sr90 (4) I131
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