Which of the following pairs of physical phenomenon and the discoverer

Which of the following pairs of physical phenomenon and the discoverer is/are correctly matched ?

1.	James Chadwick	:	Photoelectric effect
2.	Albert Einstein	:	Neutron
3.	Marie Curie	:	Radium

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1, 2 and 3

1 and 2 only

2 and 3 only

3 only

Answer is Right!

Answer is Wrong!

This question was previously asked in

UPSC NDA-1 – 2021

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Only the third pair is correctly matched.

– James Chadwick discovered the neutron in 1932. The photoelectric effect was explained by Albert Einstein in 1905, building on observations by Heinrich Hertz.
– Albert Einstein is famous for his theory of relativity and his explanation of the photoelectric effect, not the discovery of the neutron.
– Marie Curie, along with her husband Pierre Curie, discovered the elements polonium and radium in 1898.

Marie Curie was a Polish and naturalized-French physicist and chemist who conducted pioneering research on radioactivity. She was the first woman to win a Nobel Prize, the first person and only woman to win the Nobel Prize twice, and the only person to win the Nobel Prize in two different scientific fields.

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