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प्रश्न
Artificial radioactivity was discovered by ______.
पर्याय
Bequerel
Irene Curie
Roentgen
Neils Bohr
उत्तर
Artificial radioactivity was discovered by Irene Curie.
APPEARS IN
संबंधित प्रश्न
Man-made radioactivity is also known as _______.
Gamma radiations are dangerous because
Positron is an ________.
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: _______.
A cobalt specimen emits induced radiation of 75.6 millicurie per second. Convert this disintegration in to becquerel (one curie = 3.7 × 1010 Bq)
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?
Cell phone towers should be placed far away from the residential area – why?
