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Which Gupta-age astronomer stated in his work of 499 CE that the earth rotates on its own axis?

  1. A.Varahamihira
  2. B.Brahmagupta
  3. C.Aryabhata
  4. D.Bhaskara II

Correct answer

C. Aryabhata

Explanation

The correct answer is C, Aryabhata. Aryabhata completed the Aryabhatiya in 499 CE at the age of twenty-three. In it he held that the apparent daily movement of the stars is caused by the rotation of the earth on its axis, explained solar and lunar eclipses as shadows rather than as the work of Rahu and Ketu, and gave a close approximation for the ratio of the circumference of a circle to its diameter.

Option A, Varahamihira, belongs to the sixth century and wrote the Brihat Samhita and the Panchasiddhantika, works on omens, astrology and the five earlier astronomical systems. Option B, Brahmagupta, wrote the Brahmasphutasiddhanta in 628 CE and is famous for rules on zero and negative numbers. Option D, Bhaskara II, is a twelfth century mathematician, the author of Siddhanta Shiromani, which includes the Lilavati.

Read the full article: Gupta Empire: Rulers, Administration and PYQs

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Q1.Indian HistoryAsked in: SSC MTS · 12 Oct 2021, Shift 2Easy

Which dynasty ruled India between 320 AD and 550 AD?

  1. A.Mauryan Dynasty
  2. B.Hoysala Dynasty
  3. C.Magadha Dynasty
  4. D.Gupta Dynasty
Show answer
Correct answer: D. Gupta Dynasty

Gupta imperial rule is conventionally dated from about 320 CE, the epoch of the Gupta era that begins with the accession of Chandragupta I, and it faded out by about 550 CE after the Huna invasions.