Entry Test MCQ :: Atomic Spectra
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Hydrogen atom does not emit X-rays because
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its energy levels are too close to each other | [B]. |
its energy levels are too far apart
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it is too small in size | [D]. |
it has a single electron |
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Annie said:
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| when its energy level are too close then on de-excitation a photon of greater wavelength will be emitted,while x-rays have much shorter wavelength. |
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Zoobi Siddiqui said:
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| its answer should be A...bcoz if energy levels are close then a large wavenlength is produced which may lie in UV region. |
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mehwish said:
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| yes its answer should be a.i agree |
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amjad said:
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| which one is correct? |
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Abdullah Yousaf said:
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| Can any one explain why longer wavelengths are obtained if orbits are close enough? |
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