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

Fill in the Blanks

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

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Types of Radioactivity

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Chapter 6 Nuclear Physics
Evaluation | Q II. 5. | Page 87

Artificial radioactivity was discovered by ______.

Positron is an ________.

The radio isotope of ________ helps to increase the productivity of crops.

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)

Mark the correct choice as

Who discovered natural radioactivity?

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?