| 1 |
In ........ henry Bequeral discovered. |
- A. 1895
- B. 1886
- C. 1896
- D. 1898
|
| 2 |
Laser is used toproduce three -Dimensional image called. |
- A. Holograms
- B. Holography
- C. Lithotropsy
- D. Radioactive elements
|
| 3 |
Element having atomic numebr greater than.......... go on emitting radiations. |
|
| 4 |
The principal of light on whihc the fibre optics works is. |
- A. Reflection
- B. Refraction
- C. Total internal reflection
- D. Dispersion
|
| 5 |
The number of hydrogen isotopes; |
|
| 6 |
If we increasing angle of incidence then at a particular angle incidence the angel of refraction is. |
- A. 45 <sup>o</sup>
- B. 60 <sup>o</sup>
- C. 30 <sup>o</sup>
- D. 90 <sup>o</sup>
|
| 7 |
Bagasse is used as in. |
- A. Sugar mills
- B. Cattle feeds
- C. Alcohol
- D. Cotton textile
|
| 8 |
The mass of Beta particle: |
|
| 9 |
In engineering department besides heavy machinery the role of ....... industry is examplary. |
- A. Cottage
- B. Steel
- C. Electrical
- D. Paper
|
| 10 |
Emission of ratiations from nucleus is said to be |
- A. Chemical reaction
- B. Atomic reaction
- C. Radioactivity
- D. Nuclear fission
|
