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.Management Sciences
A. 1st to 5th orbit
B. 2nd to 5th orbit
C. 3rd to 5th orbit
D. 4th to 5th orbit
Related Mcqs:
- Hydrogen atom does not emit X-rays because _________________?
- A. its energy levels are too close to each other B. its energy levels are too far apart C. it is too small in size D. it has a single electron...
- Bracket series is obtained when all transition of electron terminate on_______________?
- A. 4th orbit B. 5th orbit C. 3rd orbit D. 2nd orbit...
- The penetrating power of X-rays depends on their______________?
- A. applied voltage B. frequency C. source D. all of the above...
- Maximum frequency in the spectrum from X-ray tube is directly proportional to the______________?
- A. Number of incident electron i.e. filament current B. The kinetic energy of the incident electron i.e. the potential difference through which they are accelerated C. The soft target which can easily emit electrons D. All of above are correct...
- X-rays are diffracted by a crystal but not by a diffraction grating because_____________?
- A. The ions in a crystal are well arranged B. The lines in a diffraction grating cannot reflect X-rays. C. The penetration power of X-rays is high in a diffraction grating D. The wavelengths of X-rays are of the same order of magnitude as the separation between atoms in a crystal...
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