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Zorluk: KolayImportant National & International Days, Observances, and Themes

National Science Day is celebrated across India on February 28 every year to commemorate which major scientific achievement?

  1. The discovery of the Raman Effect by Sir C. V. RamanCevap
  2. B
    The successful launch of India's first satellite, Aryabhata
  3. C
    The birth anniversary of Dr. A. P. J. Abdul Kalam
  4. D
    The establishment of the Indian Space Research Organisation (ISRO)

Cevap

National Science Day is celebrated to commemorate the discovery of the Raman Effect by Sir C. V. Raman.
The option stating the discovery of the Raman Effect by Sir C. V. Raman is correct because Sir C. V. Raman discovered the phenomenon of light scattering (Raman Effect) on February 28, 1928, leading to the designation of this date as National Science Day in India.

Adım Adım Çözüm

1
Identify the significance of February 28 in Indian national observances.
February 28 is designated as National Science Day in India.
The National Council for Science and Technology Communication (NCSTC) proposed celebrating February 28 to honor Sir C. V. Raman's landmark discovery.
2
Associate the date with the specific scientific achievement.
Sir C. V. Raman announced the discovery of the 'Raman Effect' on February 28, 1928.
This discovery brought India its first Nobel Prize in science in 1930.

Anahtar Kavram

National Science Day and its historical significance
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