| 26. | In Bohr's model magnetic field which splits spectral lines is |
| a. | weak |
| b. | moderate |
| c. | strong |
| d. | long |
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Answer: (c).strong
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| 27. | In Millikan oil drop method electrode which has hole is |
| a. | lower one |
| b. | parallel one |
| c. | adjacent one |
| d. | upper one |
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Answer: (d).upper one
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| 28. | Use of quantum numbers is to specify electron's |
| a. | energy |
| b. | position |
| c. | particles |
| d. | velocity |
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Answer: (b).position
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| 29. | Azimuthal quantum number actually represents |
| a. | shells |
| b. | sub shells |
| c. | energy |
| d. | heat |
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Answer: (b).sub shells
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| 30. | Frequency is represented by |
| a. | s |
| b. | l |
| c. | n |
| d. | p |
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Answer: (c).n
|