| 1 |
The process by which lesser beam can be used to generate 3-dimensional images of objects is called |
- A. Holography
- B. Geo graphy
- C. Tomography
- D. Radio graphy
|
| 2 |
Black Body radiation spectrum is an example of: |
- A. Atomic spectra
- B. Line spectra
- C. Continuous spectra
- D. None of above
|
| 3 |
Study of hydrogen visible spectrum in |
- A. 1886
- B. 1887
- C. 1895
- D. 1885
|
| 4 |
Electron volt is unit of: |
- A. Chemical energy
- B. Potential energy
- C. Nuclear energy
- D. heat energy
|
| 5 |
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is |
- A. 1972
- B. 1965
- C. 1958
- D. 1913
|
| 6 |
The rest mass x ray photon is |
- A. Infinite
- B. Zero
- C. 1.67 X<sup>-17</sup> kg
- D. All of the above
|
| 7 |
The unit of Rh is. |
- A. ms-1
- B. m
- C. m<sup>2</sup>
- D. m<sup>-1</sup>
|
| 8 |
Paschen series lies in the |
- A. Far ultraviolet region
- B. Visible region
- C. Ultraviolet region
- D. Inferred region
|
| 9 |
The series in visible region is: |
- A. Balmer series
- B. Pfund series
- C. Paschen series
- D. None of above
|
| 10 |
Target material used in x-rays tube have following properties. |
- A. High atomic number and high melting pouint
- B. High atomic number and low melting pouint
- C. Low atomic number and low melting pouint
- D. High atomic number only
|
