Answer

Jain Dharma ke anusar Jambudvīp ka vistār yani diameter ek lakh yojan mana gaya hai.

Explanation

Jain cosmology mein madhya-lok ke beech mein Jambudvīp sthit hai. Iska ākar gol/dvīp-rūp bataya gaya hai, aur iska pramāṇ 100,000 yojan kaha gaya hai.

Jambudvīp ke beech mein Meru Parvat sthit hai.

Takeaway

Isliye “ek lakh yojan” ki baat Jain cosmology mein adhiktar Jambudvīp ke vistār ke liye kahi jati hai.