​Which physicist is known for extensive research in ‘radiation phenomena’ and the discovery of polonium and radium?​

Correct option is D

Correct Answer: (D) Marie Curie

Explanation:

• Marie Curie was a renowned physicist and chemist known for her pioneering research on radioactivity.
• She discovered the elements polonium and radium and made significant contributions to the understanding of radiation phenomena.
• Her work led to the development of radiation therapy for cancer and greatly influenced the field of nuclear physics and chemistry.

Other Options:

•  Lise Meitner: Lise Meitner was a physicist who contributed to the discovery of nuclear fission, but she did not research the discovery of polonium and radium.
• Rosalind Franklin: Rosalind Franklin was a biophysicist known for her work on the structure of DNA, not for work on radiation or the discovery of polonium and radium.
• Helen Quinn: Helen Quinn is a theoretical physicist known for her work in particle physics, not for radiation phenomena or the discovery of polonium and radium.