Advertisements
Advertisements
Question
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.
Options
If both the assertion and the reason are true and the reason is the correct explanation of the assertion.
If both the assertion and the reason are true, but the reason is not the correct explanation of the assertion.
Assertion is true, but the reason is false.
Assertion is false, but the reason is true.
Advertisements
Solution
The assertion is false, but the reason is true.
Explanation: In β – decay there is no change in the mass number of the daughter nucleus but the atomic number increases by one.
APPEARS IN
RELATED QUESTIONS
Man-made radioactivity is also known as _______.
In which of the following, no change in mass number of the daughter nuclei takes place
- α decay
- β decay
- γ decay
- neutron decay
Positron is an ________.
Abbreviation of ICRP______.
_______ is used to measure exposure rate of radiation in humans.
The radio isotope of ________ helps to increase the productivity of crops.
If the radiation exposure is 100 R, it may cause ______.
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: _______.
Who discovered natural radioactivity?
