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The energy level diagram is for a hypoth...

The energy level diagram is for a hypothetical atom. A gas of these atoms incitially in the ground state is irrediated with photons having a continuous range of energies between `7` and `10` electron volts. One would expect photons of which of the following energies to be emiited from the gas ?

A

a.`1,2` and `3 eV` only

B

b.`4,5,` and `9 eV` only

C

c.`1,3,5`, and `10 eV` only

D

d.`1,5,7`, and `10 eV` only

Text Solution

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The correct Answer is:
B
Energy level diagram
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ALLEN-SIMPLE HARMONIC MOTION-Exercise-01
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  2. The velocity of an electron in single electron atom in an orbit

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  3. The energy level diagram is for a hypothetical atom. A gas of these at...

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  4. The wave number of the series limit of Lyman series is -

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  5. In a hypothetivsl system, a particle of mass m and charge -3q is movin...

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  6. The diagram to the right shows the lowest four energy levels for an el...

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  7. Energy of 24.6 eV is required to remove one of the electron from a neu...

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  8. A photon was absorbed by a hydrogen atom in its ground state and the e...

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  9. The K(alpha) X-ray emission line of tungsten occurs at lambda = 0.02 n...

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  10. Which of the following are the characterstics requried for the target ...

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  11. The wavelength of K(alpha) line for an element of atomic number 43 "is...

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  12. The Wavelengths of K(alpha) X - rays of two metals A and B are 4/(1875...

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  13. On operating an X-ray tube at 1 kV. X-rays of minimum wavelength 6.22Å...

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  14. In an X-rays tube, electrons striking a target are brought to rest, ca...

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  15. Characteristics X-rays are produced due to

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  16. The constant 'a' Mosely's law sqrt(v) = a(Z-b) for k(alpha)X-rays is r...

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  17. Charateristic X-rays are not obtained in the spectrum of H-atom bacaus...

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  18. For the decay of nucleus, the possible reason which is not true

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  19. Assuming that 200MeV of energy is released per fission of uranium ato,...

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  20. If the binding energy per nucleon in .(3)Li^(7) and .(2)He^(4) nuclei ...

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