NAT I Medical Physics With Answers

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NAT I Medical Physics

Sr. # Questions Answers Choice
1 Electrons in the atom are held in the atom due to Coulomb forces Nuclear forces Gravitational forces Van der Waal's forces
2 In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie Ultraviolet Infra red Visible X-ray
3 To explain his theory Bohr used Conservation of linear momentum Conservation of angular momentum Conservation of quantum frequency Conservation of energy
4 The nuclear model of atom was proposed by J.J Thomson E.Rutherford Neil Bohr Summerfield
5 Who explained the origin of the Fraunhofer lines? Fraunhoffer Kirchhoff Fresnel Snell
6 Band spectrum in produced by H He H<sub>2</sub> Na
7 In which of the following states does the incandescent substance give continuous spectrum? Vapours in atomic state Vapours in molecular state Solid or fluid in bulk state Solid or fluid in plasma state
8 Which of the following sources give discrete emission spectrum? Incandescent electric bulb Sun Mercury vapour lamp Candle
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