MCQOPTIONS
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MCQOPTIONS
This section includes 60 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Sum of the masses of constituent nucleons as compared to the mass of the resultant nucleus is |
| A. | Smaller |
| B. | Greater than 82 |
| C. | Same |
| D. | Some times smaller some times greater |
| Answer» C. Same | |
| 52. |
T.V sets and microwave ovens emits |
| A. | X-rays |
| B. | ?-rays |
| C. | ?-rays |
| D. | ?-rays |
| Answer» B. ?-rays | |
| 53. |
The bombardment of nitrogen with ?-particles will produce |
| A. | Neutron |
| B. | Proton |
| C. | Electron |
| D. | Positron |
| Answer» C. Electron | |
| 54. |
The maximum safe limit dose for persons working in nuclear power station are |
| A. | 1 rem per week |
| B. | 5 rem per week |
| C. | 4 rem per week |
| D. | 3 rem per week |
| Answer» C. 4 rem per week | |
| 55. |
The most useful tracer is |
| A. | Sr-90 |
| B. | I-131 |
| C. | CA-41 |
| D. | C-14 |
| Answer» E. | |
| 56. |
The path of ?-particle is |
| A. | Rectilinear |
| B. | Curved |
| C. | Zig-zag or erratic |
| D. | Elliptical |
| Answer» D. Elliptical | |
| 57. |
The penetration power of ?-particle as compared to ?-particle is |
| A. | 10 times more |
| B. | 100 times more |
| C. | 100 times less |
| D. | 10 times less |
| Answer» C. 100 times less | |
| 58. |
The unit of radioactivity curie is equal to |
| A. | 3.74 x 109 disintegration per sec |
| B. | 3.70 x 1010 disintegration per sec |
| C. | 3.55 x 1010 disintegration per sec |
| D. | 3.60 x 1010 disintegration per sec |
| Answer» C. 3.55 x 1010 disintegration per sec | |
| 59. |
Transuranic elements have atomic number |
| A. | Greater than 72 |
| B. | Greater than 82 |
| C. | Greater than 92 |
| D. | Greater than 102 |
| Answer» D. Greater than 102 | |
| 60. |
Various types of cancer are treated by |
| A. | Cobalt-60 |
| B. | Strontium-90 |
| C. | Carbon-14 |
| D. | Nickel-63 |
| Answer» B. Strontium-90 | |