The first model of atom in 1898 was proposed by

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Question:
The first model of atom in 1898 was proposed by

1.Ernst Rutherford

2.Albert Einstein

3. J.J. Thomson

4.Niels Bohr

More MCQS Questions and answers

  1. A metal surface ejects electrons when hit by green light but nothing when hit by yellow light. The electrons will be ejected when the surface is hit by
  2. According to Einstein’s photoelectric equation, the graph of kinetic energy of the photoelectron emitted from the metal versus the frequency of the incident radiation gives a straight line graph, whose slope
  3.  In photoelectric effect, the photocurrent
  4. Cathode rays were discovered by
  5. In Geiger-Marsden scattering experiment, the trajectory traced by an a-particle depends on
  6. In photoelectric effect, stopping potential depends on
  7. In photoelectric effect, the photoelectric current is independent of
  8. In the Geiger-Marsden scattering experiment, is case of head-on collision the impact parameter should be
  9. Who established that electric charge is quantised?
  10. The first model of atom in 1898 was proposed by
  11. The first spectral series was discovered by
  12. The maximum value of photoelectric current is called
  13. The minimum energy required for the electron emission from the metal surface can be supplied to the free electrons by which of the following physical processes?
  14. The phenomenon of photoelectric emission was discovered in 1887 by
  15. Which of the following spectral series falls within the visible range of electromagnetic radiation?
  16. Which of the following statements is correct regarding the photoelectric experiment?
  17. Which phenomenon best supports the theory that matter has a wave nature?
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