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प्रश्न
Who discovered natural radioactivity?
एक पंक्ति में उत्तर
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उत्तर
Henri Becquerel was discovered natural radioactivity.
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Types of Radioactivity
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Nuclear Physics - Evaluation [पृष्ठ ८९]
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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
Gamma radiations are dangerous because
Positron is an ________.
The radio isotope of ________ helps to increase the productivity of crops.
If the radiation exposure is 100 R, it may cause ______.
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.
Give the SI unit of radioactivity.
Which material protects us from radiation?
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?
