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प्रश्न
Use the analogy to fill in the blank
Spontaneous process: Natural Radioactivity, Induced process: _______.
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उत्तर
Spontaneous process : Natural Radioactivity, Induced process : Artificial radioactivity
(or) Man – made activity.
APPEARS IN
संबंधित प्रश्न
Artificial radioactivity was discovered by ______.
________ aprons are used to protect us from gamma radiations.
_______ is used to measure exposure rate of radiation in humans.
The radio isotope of ________ helps to increase the productivity of crops.
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.
Mr. Ramu is working as an X-ray technician in a hospital. But, he does not wear the lead aprons. What suggestion will you give to Mr. Ramu?
Cell phone towers should be placed far away from the residential area – why?
