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Which particles determine the mass of an...

Which particles determine the mass of an atom ?

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The correct Answer is:
protons, neutrons
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DINESH PUBLICATION-STRUCTURE OF ATOM-Problems for practice
  1. How are Cl^(-) and S^(2-) ions related to each other ?

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  2. Which isotope of hydrogen is called protium ?

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  3. Which particles determine the mass of an atom ?

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  4. The frequency of an electromagnetic radiation is 1556 kilohertz. What ...

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  5. The wavelength of a violet radiation is 3.7xx10^(5) pm. What is its fr...

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  6. What is the frequency of light with a wavelength of 480 nm

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  7. The wavelength of visible spectrum extends extends from violet (400 nm...

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  8. Calculate the Einstein when the frequency of photon is 10^(10) kHz.

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  9. A photon of light with wavelength 700 nm has energy E. A photon of lig...

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  10. Calculate the frequency and wave number of radiations with wavelength ...

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  11. What is the ratio between the energies of two radiations one with a wa...

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  12. When a certain metal was irradiated with light of frequency 1.6xx10^(1...

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  13. The maximum kinetic energy of the photoelectrons is found to be 6.63xx...

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  14. The maximum kinetic energy of the photoelectrons is found to be 6.63xx...

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  15. Photoelectric emission is observed from a metal surface for frequencie...

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  16. Calculate the wavelength of the radiations in nanometers emitted when ...

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  17. The ionisation energy of hydrogen atom is 1.312xx10^(6) J "mol"^(-1)....

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  18. Calculate the wavelength from the Balmer formula when n(2)=3.

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  19. Ionisation energy of He^+ is 19.6 xx 10^-18 J "atom"^(-1). The energy ...

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  20. Calculate the wavelength of photon which will be emitted when the elec...

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