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Mark the incorrect statement regarding t...

Mark the incorrect statement regarding the photoelectric effect

A

There is no time lag between the striking of light beam and the ejection of electrons from the metal surface

B

The number of electrons ejected in inversily proportional to the intensity of light

C

Photo electric effect is not observed below threshold energy

D

K.E of the electrons increases with increase in frequency of light used

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BRILLIANT PUBLICATION-STRUCTURE OF ATOMS-LEVEL - II
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  6. The ratio of slope of two graphs, which are plotted with K.E. v/s v an...

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  9. The transition from the state n = 3 to n = 1 in a hydrogen like atom r...

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  10. 4^(th) Bohr orbit of a hydrogen like one electron species X coincide w...

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  11. Which one of the following statement is/are correct?

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  12. If H-atom is supplied with 12.1 eV energy and electron returns to the ...

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  13. If in Bohr's model, for unielectronic atom, time period of revolution ...

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  14. Difference between n^(th)and(n+1)^(th) Bohr radius of H atom is equal ...

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  15. He^(+) ions are in an excited state from where maximum 6 types of phot...

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  16. The velocity of electron in the n^(th) Bohr orbit of hydrogen atom is ...

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  17. The hydrogen line spectra provides evidence for the

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  18. The de Broglie wavelength (lamda) associated with photoelectron varies...

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  19. The uncertainty in position of an electron is equal to its de-Broglie ...

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  20. If the uncertainly in position and momentum of a particle like electro...

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