| 1 |
1 gray is equal to. |
- A. 1 JKg-1
- B. 1KgJ-1
- C. 1JKg
- D. 1 JKg-2
|
| 2 |
Low level radiations effects |
- A. Less of hair
- B. Ulceration
- C. Drop of white blood cells
- D. All
|
| 3 |
The charge number of Ba is. |
- A. 197
- B. 141
- C. 56
- D. 85
|
| 4 |
Energy needed to produce an electron hole in solid state detector is. |
- A. 1 to 2 eV
- B. 3 to 4 eV
- C. 6 to 7 eV
- D. 8 to 9 eV
|
| 5 |
Unit of decay constant<span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">λ is:</span> |
- A. ms
- B. m<sup>-1</sup>
- C. m
- D. S<sup>-1</sup>
|
| 6 |
A pair of quark and anti quark makes a. |
- A. Meason
- B. harden
- C. Lapton
- D. Baryon
|
| 7 |
The force which is responsible for the breaking up of the radioactive element is. |
- A. Weak nuclear force
- B. Strong nuclear force
- C. Electromagnetic force
- D. Gravitational force
|
| 8 |
Both xenon and caesium each have: |
- A. 41 isotopes
- B. 36 isotopes
- C. 43 isotopes
- D. 33 isotopes
|
| 9 |
Two down and one up quarks make |
- A. Proton
- B. Neutron
- C. <strike>photon</strike>
- D. Positron
|
| 10 |
Both Xenon and cesium have |
- A. 33 isotopes
- B. 34 Isotopes
- C. 36 Isotopes
- D. 35 Isotopes
|