Understanding the Longest River in Tamil Nadu

The question asks us to identify the longest river that flows through the state of Tamil Nadu. Tamil Nadu is home to several important rivers that play a crucial role in its geography, agriculture, and culture. Let's look at the options provided and determine which one is the longest within the state.

Key Rivers of Tamil Nadu

We need to compare the lengths of the following rivers as they flow within Tamil Nadu:

• Kaveri
• Vaigai
• Palar
• Pennar

River Lengths in Tamil Nadu

Here's a comparison of the approximate lengths of these rivers specifically within Tamil Nadu:

Analysis of River Lengths

Comparing the lengths:

• The Kaveri river covers a significant distance within Tamil Nadu, making it the longest among the options listed. It originates in Karnataka and flows through Tamil Nadu before draining into the Bay of Bengal. Its length within Tamil Nadu is substantial, supporting a large population and agricultural activities.
• The Vaigai river is an important river, but its length within Tamil Nadu (around 250 km) is less than the Kaveri's.
• The Palar river flows through Tamil Nadu, but its length within the state is shorter than both Kaveri and Vaigai.
• The Pennar river has a relatively small portion of its course within Tamil Nadu compared to the other rivers mentioned.

Therefore, based on the lengths within Tamil Nadu, the Kaveri river is the longest.

Conclusion on Longest River

The Kaveri river is the longest river flowing through Tamil Nadu, covering approximately 416 km within the state boundaries.