________ aprons are used to protect us from gamma radiations.

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Lead aprons are used to protect us from gamma radiations.

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Types of Radioactivity

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Chapter 6 Nuclear Physics
Evaluation | Q I. 7. | Page 87

Man-made radioactivity is also known as _______.

Artificial radioactivity was discovered by ______.

In which of the following, no change in mass number of the daughter nuclei takes place

Gamma radiations are dangerous because

Positron is an ________.

_______ is used to measure exposure rate of radiation in humans.

If the radiation exposure is 100 R, it may cause ______.

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

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?