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An alpha-particle colliding with one of ...

An `alpha`-particle colliding with one of the electrons in a gold atom looses

A

Most of its momentum

B

About `1/3`rd of its momentum

C

Little of its energy

D

Most of its energy

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The correct Answer is:
C
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AAKASH INSTITUTE-ATOMS-ASSIGNMENT SECTION A Objective (One option is correct )
  1. Source of alpha-particles used in scattering experiment was

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  2. What is the distance of closest approach to the nucleus for an alpha-p...

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  3. An alpha-particle colliding with one of the electrons in a gold atom l...

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  4. The angular momentum of an electron in a hydrogen atom is proportional...

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  5. When an electron in hydrogen atom is taken from fourth excited state t...

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  6. What is the angular momentum of an electron in Bohr's hydrogen atom wh...

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  7. Ground state energy of H-atom is -13.6 eV. The energy needed to ionise...

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  8. The energies of three conservative energy levels L3,L2 and L1 of hydro...

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  9. The product of angular speed and tangential speed of electron in n^"th...

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  10. The speed of an electron in the 4^"th" orbit of hydrogen atom is

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  11. What should be the ratio of minimum to maximum wavelength of radiation...

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  12. The ratio of energies of hydrogen atom in its first excited state to t...

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  13. How many spectral lines are emitted by atomic hydrogen excited to the ...

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  14. The energy of hydrogen atom in its ground state is -13.6 eV , the ener...

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  15. In which transition of a hydrogen atom, photons of lowest frequency ar...

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  16. Total energy of an electron in the hydrogen atom in the ground state i...

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  17. Using Bohr's formula for energy quantization, the ionisation potenti...

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  18. Which of the following cannot be the value of ionisation energy for a ...

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  19. Name the spectral series of hydrogen atom, which be in infrared region...

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  20. Three energy levels L1,L2 and L3 of a hydrogen atom correspond to incr...

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