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In Rutherford scattering experiment, alp...

In Rutherford scattering experiment, `alpha`-particles scattered at angle `theta `by a target, then which of the following is correct for Impact parameter "b" ?

A

`b prop sec^2 theta `

B

`b prop sec^3 theta `

C

`b prop tan ""((theta)/(2))`

D

`b prop cot ""(theta /2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`b= ( 2Ze^2 cot ""(theta)/(2))/(4 pi epsi_9 mv _(0)^(2)) " " b prop cot "" theta / 2`
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DISHA PUBLICATION-ATOMS-EXERCISE-1: CONCEPT BUILDER (TOPICWISE)
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  3. In Rutherford scattering experiment, alpha-particles scattered at angl...

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  5. The angular speed of the electron in the n^(th) Bohr orbit of the hydr...

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  6. Which of the following statement concerning Bohr's model is //are tr...

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  7. According to Bohr's Model of hydrogen atom

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  8. when an electron jumps from the fourth orbit to the second orbit, one ...

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  9. Which of the following series in the spectrum of the hydrogen atom lie...

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  10. The balmer series for the H-atom can be ob-served

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  11. As the n (number of orbit) increases, the difference of energy between...

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  12. In Bohr's model of hydrogen atom, the period of revolution of the elec...

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  13. In a hydrogen atom following the Bohr's postulates the product of line...

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  14. The energy of electron in the nth orbit of hydrogen atom is expressed ...

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  15. In the hydrogen atom, an electron makes a transition from n=2 to n=1....

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  16. In terms of Rydberg constant R, the shortest wavelength in the Balmer ...

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  17. In an inelastic collision an electron excites as hydrogen atom from it...

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  18. According to the Bohr theory of Hydrogen atom, the speed of the electr...

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  19. In terms of Bohr radius a(0), the radius of the second Bohr orbit of a...

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  20. The ionisation potential of H-atom is 13.6 eV. When it is excited from...

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