| 1 |
The wave number of the light emitted by a certain source is 2 x 10<sup>6</sup> m-1 . The wavelength of this light will be. |
- A. 500 nm
- B. 5000 nm
- C. 200 nm
- D. 5 x10<sup>7</sup> m
|
| 2 |
Which electron traveled more distance, when jump from |
- A. n1 to n2
- B. n2 ato n3
- C. n3 to n2
- D. n3 to n4
|
| 3 |
When fast neutron carries nuclear reaction with nitrogen it ejects aprticles. |
- A. Alpha
- B. Gamma
- C. Beta
- D. Nil
|
| 4 |
n+1 value of 6d orbital is. |
|
| 5 |
The Rutherford experiment of using a stream of alpha particles on a piece of gold foil proved that. |
- A. The atom was a solid sphere
- B. The atom had electron
- C. The atom had neutrons
- D. The atom had a great empty space in it
|
| 6 |
Maximum number of electrons in f-subshell is. |
|
| 7 |
Conduction of electricity through gases under reduced pressure is due to the transportation of. |
- A. positive charge
- B. Negative charge
- C. Both types of charges
- D. None of these
|
| 8 |
The electron in a subshell is filled according to formula. |
- A. 2n<sup>2</sup>
- B. 2(2l+1)
- C. (2l+1)
- D. None of these
|
| 9 |
The velocity of photon is |
- A. Independent of its wavelength
- B. Depends on its wavelength
- C. Equal to square of its amplitude
- D. Depends on its source
|
| 10 |
Quantum number values for 3p orbitals are. |
- A. n = 0, l = 3
- B. n = 3 , l = 1
- C. n = 2, l = 1
- D. n = 2 , l = 3
|
