Advertisements
Advertisements
प्रश्न
________ aprons are used to protect us from gamma radiations.
विकल्प
Lead oxide
Iron
Lead
Aluminium
MCQ
रिक्त स्थान भरें
Advertisements
उत्तर
Lead aprons are used to protect us from gamma radiations.
shaalaa.com
Types of Radioactivity
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Artificial radioactivity was discovered by ______.
Positron is an ________.
Abbreviation of ICRP______.
The radio isotope of ________ helps to increase the productivity of crops.
Match: III
| a. | Soddy Fajan | Natural radioactivity |
| b. | Irene Curie | Displacement law |
| c. | Henry Bequerel | Mass energy equivalence |
| d. | Albert Einstein | Artificial Radioactivity |
Use the analogy to fill in the blank
Spontaneous process: Natural Radioactivity, Induced process: _______.
Mark the correct choice as
- Assertion: In a β - decay, the neutron number decreases by one.
- Reason: In β - decay atomic number increases by one.
Who discovered natural radioactivity?
If A is a radioactive element which emits an α - particle and produces 104Rf 259. Write the atomic number and mass number of the element A
Give the SI unit of radioactivity.
