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Canal rays produced when hydrogen atoms ...

Canal rays produced when hydrogen atoms are taken in the discharge tube constitutes

A

Electrons

B

Protons

C

Neutrons

D

Nucleus

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The e/m ratio of cathode rays is x unit, when hydrogen is filled in the discharge tube. What will be its value when deuterium (D_(2)) is filled in it?

AAKASH INSTITUTE-STRUCTURE OF ATOM -ASSIGNMENT ( SECTION -A) Objective Type Questions (One option is correct)
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  2. Cathode rays move towards

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  3. The absolute charge on an electron is -

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  4. The charge to mass ratio of electron was found out to be

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  5. The ratio of mass of an electron to that of the mass of hydrogen atom ...

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  6. Which of the following is a correct statement ?

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  7. How many times is an atom bigger than the nucleus ?

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  8. What alpha-rays strikea thin gold foil then

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  9. Rutherford's alpha- scattering experiment was successful in discoverin...

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  10. The general representation of the symbol of element 'X' is ( Z = Atomi...

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  11. Isotopes have

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  12. The number of neutrons in deuterium is

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  13. Which of the following species have maximum number of electrons ?

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  14. The range of wavelength of the visible light is

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  15. The correct seuence of frequency of the electromagnetic radiations in ...

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  16. The colour of light which has maximum frequency is

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  17. The kinetic energy of the photoelectrons depends upon the

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  18. The value of n(1) for Pashecn series of hydrogen spectrum is(n(1) = or...

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  19. Radius of Bohr's orbit of hydrogen atom is

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  20. Bohr theory is not applicable for

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