| 1 |
From which quantum number is the shape of an orbital determined. |
- A. Principal
- B. Magnetic
- C. Azimuthal
- D. Spin
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| 2 |
Which of the following orbitals is not possible. |
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| 3 |
Lyman series lies in spectral region |
- A. Infrared
- B. Ultra violet
- C. Visible
- D. None of these
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| 4 |
Which formula will be used to determine the number of in electrons sub shell of an atoms. |
- A. 2(l+1)
- B. 2(2l+1)
- C. (l+1)
- D. (2l+1)
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| 5 |
Quantum number values for 2p orbitals are. |
- A. n = 2, 1 =1
- B. n =1, 1 = 2
- C. n =1, 1= 0
- D. n = 2, 1 = 0
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| 6 |
Which one of the following relationship is correct about energy and frequency. |
- A. E = hv
- B. E = h/v
- C. E = v/h
- D. h = v/E
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| 7 |
Lyman series lie in |
- A. Ultraviolet region
- B. Visible region
- C. Infrared region
- D. Radio waves region
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| 8 |
Node is a surface on which probability of finding electron is |
- A. Zero
- B. More than 95%
- C. 50%
- D. Infinite
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| 9 |
Splitting of spectral lines when atoms are subjected to strong electric field is called |
- A. Zeeman effect
- B. Stark effect
- C. Photoelectric effect
- D. Compton effect
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| 10 |
Bohr's model of atom is contradicted b y. |
- A. Planck quantum theory
- B. Quantization of energy of electrons
- C. Heisenberg's uncertainty principle
- D. Quantization of angular momentum
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