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प्रश्न
Artificial radioactivity was discovered by ______.
विकल्प
Bequerel
Irene Curie
Roentgen
Neils Bohr
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उत्तर
Artificial radioactivity was discovered by Irene Curie.
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संबंधित प्रश्न
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
________ aprons are used to protect us from gamma radiations.
Positron is an ________.
The radio isotope of ________ helps to increase the productivity of crops.
If the radiation exposure is 100 R, it may cause ______.
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.
Cell phone towers should be placed far away from the residential area – why?
