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The diagram shows the energy levels for ...

The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of photon with the most enegy ?

A

I

B

II

C

III

D

IV

Text Solution

Verified by Experts

The correct Answer is:
C
`I^st` transition is showing absorption of a photon. From rest of three transitions , III is having maximum energy from level `n=2` to `n=1`
`Delta Eprop((1)/(n_1^2)-(1)/(n_2^2))`
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NCERT FINGERTIPS ENGLISH-ATOMS -Assertion And Reason
  1. The diagram shows the energy levels for an electron in a certain atom....

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  2. (A) atoms of each element are stable and emit characteristic spectrum....

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  3. (A) atom as a whole is electrically neutral. (R)atom contains equal ...

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  4. (A) according to classical electromagnetic theory an accelerated parti...

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  5. (A) in alpha particle scattering number of alpha paritcle undergoing h...

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  6. (A) most of the mass of the atom is concentrated in its nucleus. (R)...

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  7. (A) the trajetory traced by an incident particle depends on the impact...

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  8. (A) in the experiment of alpha particle scattering, extremely thin gol...

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  9. (A) the total energy of an electron revolving in any stationary orbit ...

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  10. Statement -1 : Large angle scattering of alpha particles led to the di...

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  11. Assertion: For the scattering of alpha-particles at a large angles, on...

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  12. Assertion: Hydrogen atom consists of anly one electron but its emissio...

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  13. (A) bohr model can not be extended to two or more electron atoms. (R...

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  14. Assertion: Bohr had to postulate that the electrons in stationary orbi...

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  15. (A) bohr's third postulaate states that the stationary orbits are thos...

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  16. Assertion: Electrons in the atom are held due to coulomb forces. Rea...

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