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When an electron jumps from L to K shell...

When an electron jumps from L to K shell -

A

energy is absorbed

B

energy is released

C

energy is neither absorbed nor released

D

energy is sometimes absorbed and some times released

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NARENDRA AWASTHI-ATOMIC STUCTURE-Exercise
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  2. Electromagnetic radiation (photon) with highest wavelength result when...

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  3. When an electron jumps from L to K shell -

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  4. How do the energy gaps between successive electron energy levels in a...

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  5. The H-spectrum confirms

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  6. The splitting of spectral lines in an external magnetic field is known...

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  7. The pressure of colloidal particles of dust in air imparts blue colour...

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  8. In photoelectric effect, the number of photoelectrons emitted is propo...

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  9. Slope of V(0) vs v curve is (where V(0)= Stopping potential, v=subject...

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  10. According to Einstein's photoelectric equation, the graph between kine...

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  11. The photoelectric emission from a surface starts only when the light i...

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  12. If lamdao and lamda be the threshold wavelength and wavelength of inci...

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  13. A light source of wavelength lambda illuminates a metal and ejects pho...

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  14. Electronmagnetic radiations having lambda=310Åare subjected to a metal...

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  15. The ratio of slopes of K(max) vs. V and V(0) vs. v curves in the photo...

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  16. Radiation corresponding to the transition n=4 to n=2 in hydrogen atoms...

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  17. Select the incorrect statement.

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  18. Which is the de-Broglie equation?

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  19. Which of the following has the largest de Broglie wavelength (all have...

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  20. The de-Broglie wavelength associated with a particle of mass 10^-6 kg ...

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