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Derive an expression for the radius of t...

Derive an expression for the radius of the first orbit of the electron of the hydrogen atom.

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R G PUBLICATION-DUAL NATURE OF RADIATION AND MATTER-EXERCISE
  1. A monochromatic source of light operating 200W emits 4xx10^(20) photon...

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  2. What is the de-Broglie wavelength of an electron in the Bohr's orbit o...

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  3. Derive an expression for the radius of the first orbit of the electron...

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  4. Obtain the binding energies of the nuclei 26^56Fe and 83^209Bi in unit...

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  5. A photo electric surface has work function 2eV. What is the maximum ki...

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  6. There are mainly three ways to eject an electron from the surface of m...

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  7. If kinetic energy of a free electron is increased by two times then b...

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  8. What is the de Broglie wavelength associated with an electron of mas 9...

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  9. What is the de Broglie wavelength associated with a ball of mass 150...

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  10. What determines the intensity of light in the photon picture of light?

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  11. Fill in the blanks X rays is discovered by in.

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  12. Fill in the blanks Einstein was awarded the Nobel Prize in for his c...

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  13. Fill in the blanks Photons are electrically neutral and not deflecte...

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  14. Fill in the blanks In De Broglie was awarded the Nobel Prize in Phys...

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  15. Write down Einstein's photo electric equation and explain each of its ...

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  16. What is cut-off or stopping potential?

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  17. What is de Broglie wave length? Give the de Broglie equation.

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  18. What is the charge on cathode ray particle?

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  19. Express Joule in eV.

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  20. Which oil should be used in Milikan's method.

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