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Rutherfords experiments , which establis...

Rutherfords experiments , which established the nuclear model of atom , used a beam of:-

A

`beta`-particles , which impinged on a mental foil and get absorbed.

B

`gamma`- rays, which impinged on metal foil and ejected electron .

C

Helium atoms, which impinged on a metal foil and got scattered.

D

Helium nuclei, which impinged on a metal foil and got scattered.

Text Solution

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The correct Answer is:
D
`alpha`-particle (He- nucleus ) were used in Rutherford experiment .
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BANSAL-ATOMIC STRUCTURE-Exercise.1
  1. Rutherfords experiments , which established the nuclear model of atom ...

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  2. The ratio of the energy of a photon of 2000Å wavelength radiation to ...

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  3. Radiation of lambda=155 nm was irradiated on Li(work function =5 eV) p...

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  4. The first use of quantam theroy to explain the structure of atom was m...

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  5. The radial wave function for 1 s electron in H-atom is R=(2)/a(0)^(3//...

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  6. In a hypothetiacl H-atom the mass of electron & it charge is double o...

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  7. If in the hydrogen atom P.E. At oo is chosen to be 13.6 eV then the r...

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  8. The energy of electron is maximum at

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  9. Given DeltaH for the process Li(g)rarrLi^(+3)(g) + 3e^(-) is 19800kJ/...

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  10. Angular mormentum of electron in Bohr's model is directly proptional t...

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  11. Which electeonic transition in Li^(+2) will emit photon of same energ...

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  12. The shotest wave length in H spectrum of Lymen series when R(H)=109678...

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  13. If an electron is present in n =6 level . How many maximum spectral...

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  14. In the emissoin spectrum of H-atom from energy level 'n' to ground sta...

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  15. Third line in Balmer series corresponds t o an electron transition bet...

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  16. The ratio of difference in wavelengths of 1^(st) and 2^(nd) lines of L...

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  17. The ratio of wave length of photon corresponding corresponding to the...

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  18. Three energy levels P,Q,R of a certain atom are such that E(P)ltE(Q)lt...

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  19. The value of (n(2)+n(1)) and (n(2)^(2)-n(1)^(2)) for He^(+) ion in at...

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  20. Number of possible sepectral lines which ,may br emitted in bracket s...

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