The Directorate of Government Examinations (DGE) Tamil Nadu conducted the TN 12th Physics exam on March 25, 2025 from 10 am to 1:15 pm. Various coaching institutes and educational sites have released the TN 12th Physics answer key 2025.

Students can use the TN 12th answer key for Physics to analyse their performance in the examination and calculate their expected scores. We have also provided the direct link to the TN 12th Physics answer key 2025 in this article.

TN 12th Physics Answer Key Dates 2025

The Tamil Nadu board will not release the TN class 12 Physics answer key. Students will have to wait for the unofficial answer keys to be released by the educational institutes after the exam. Check out the dates related to the TN 12th Physics answer key below.

Particulars	Dates
TN 12th exam date 2025	March 3 to March 25, 2025
TN 12th Physics exam 2025	March 25, 2025
Unofficial TN board class 12th answer key 2025	Released

Unofficial Tamil Nadu 12th Physics Answer Key 2025

After the exam, many coaching institutes and subject experts have published the unofficial Tamil Nadu answer key for class 12th Physics exam. Students can access the unofficial answer key from their websites or YouTube channels. We have also provided the direct link to the unofficial TN 12th class Physics answer key below. Students can use it to analyse their performance in the examination and identify their weak and strong points. It will also help them calculate their expected score in the TN 12th result.

Unofficial Tamil Nadu 12th Physics Answer Key 2025 Link here

Tamil Nadu Class 12th Grading System 2025

Below, we have provided the TN class 12th grading system. Students can use it after calculating their expected marks using the TN 12th physics answer key to identify their expected grades. They must score a minimum of 35% marks in aggregate to pass the Physics exam. If a student fails to score the minimum passing percentage or grade, they must appear for the TN supplementary examination for Physics subject.

Grade	Marks Range	Grade Point
A1	91-100	10
A2	81-90	9
B1	71-80	8
B2	61-70	7
C1	51-60	6
C2	41-50	5
D	35-40	4
E1	21-34	-