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The constancy of e/m ratio for electron ...

The constancy of e/m ratio for electron shows that

A

Electrons mass is `(1)/(1837)th` of mass of proton

B

Electrons are universal particles of all metter

C

Electrons are produced in discharge tube only

D

None of these

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The correct Answer is:
B
electrons are universal particles
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NARAYNA-ATOMIC STRUCTURE-All Questions
  1. Which of the following is not a fundamental particle

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  2. Magnitude of deflection of cathode rays in discharge tube is more when

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  3. The constancy of e/m ratio for electron shows that

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  4. The (e)/(m) value of electron is

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  5. When the speed of the electron increases, the specific charge

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  6. The nature of anode rays depends upon

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  7. The (e)/(m) value of proton is

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  8. In Rutherford's alpha-rays scattering experiment, the alpha particles ...

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  9. Rutherford's experiment on the scattering of alpha particle showed for...

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  10. When alpha particle are sent through a thin metal foil ,most of the...

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  11. Atomic radius is to of the order of 10^(-8) cm and nuclear radius is...

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  12. The lightest radioactive isotope in periodic table is

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  13. Isotopes exhibits similar

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  14. Among .(10)A^(20) .(11)B^(21) .(11)C^(22) and .(122)D^(22) the isobar ...

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  15. The hydride ion is isoelectronic with Electromagnetic Radiation

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  16. Which of the following statements is not correct regarding electromagn...

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  17. The radiation with highest wave number

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  18. The energy of photon is inversely proportional to its

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  19. The value of planck's constant is

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  20. The ratio of energy of frequency electromagnetic radiation is called

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