12. Consider the following statements,
1] Bhagirathi is the source stream of Ganga.
2] At Devprayag, where Alaknanda joins Bhagirathi, the river acquires the name Ganga.
Which of the above statements is/are correct?
Ans b)
Q84. Consider the following Statements regarding River Ganga:
1. Bhagirathi and the Alaknanda rivers join at Vishnu Prayag to form the Ganga.
2. Ramganga, Kosi and Mahananda are the important tributaries of the Ganga.
Which of the above statement(s) is/are correct?
At Deoprayag (Garhwal, UP) river Alaknanda mixes with the river Bhagirathi and becomes river Ganga. Suppose Alaknanda has a width of 12 m, Bhagirathi has a width of 8 m and Ganga has a width of 16 m. Assume that the depth of water is same in the three rivers. Let the average speed of water in Alaknanda be 20 km h-1 and in Bhagirathi be 16 km h-1. Find the average speed of water in the river Ganga.