Answer:
the correct answer option 3
Explanation:
Option 3.
Hiuen Tsang:
He was a Chinese traveller who visited India during the reign of emperor Harsha.
He describes the glory of the monastery with many storeys built by Harsha at Nalanda.
He mentioned in his account that the Sudras practiced agriculture during the period of Harsha.
He also mentioned in his account about the conference held at Allahabad, known as Prayag.
Fa-hien:
Answer: D. to the right
Explanation: A wave is transporting energy from left to right. The particles of the medium are moving back and forth in a leftward and rightward direction.
