CBSE Class 12 Physics Answer Key 2025 (Available): Set-wise Unofficial Key PDF, Exam Analysis

CBSE Class 12 Physics Answer Key 2025: The CBSE Class 12 Physics exam was conducted on February 21, 2025, in the offline (pen & paper) mode. The exam was conducted for a total of 3 hours duration. The physics paper for class 12 was divided into 5 sections: A, B, C, D, and E. Section A consisted of MCQ questions, section B consisted of very short answer questions, section C consisted of short answer questions, section D consisted of case-based questions, and section D consisted of long answer questions. The marking scheme differs depending on the type of questions. The total marks for the CBSE Class 12 Exam 2025 Physics exam was 70.

The candidates can check below the set-wise CBSE Class 12 Physics Answer Key 2025 along with the question paper and exam analysis.

CBSE Class 12 Physics Exam 2025 Difficulty Level: Student Reaction

We have updated here the students' reaction to CBSE Class 12 Physics exam:

• The overall difficulty level of the exam was moderate.
• Some of the Assertion Reasoning MCQs were tricky. However, most of the other MCQs were direct and easy to understand.
• The short answer questions were easy in Section B. They were not time-consuming.
• Some of the students found case study-based questions were a bit tricky.
• Section E was of Moderate to Tough difficulty level. The long answer questions were a bit time-consuming according to students.

CBSE Class 12 Physics Exam Analysis 2025

The below table overviews the complete CBSE Class 12 Physics Answer Key 2025 exam analysis:

Particulars	Analysis
Overall Difficulty Level	Moderate
Difficulty Level of Section A	Easy to moderate
Difficulty Level of Section B	Easy
Difficulty Level of Section C	Easy to moderate
Difficulty Level of Section D	Moderate to Tough
Difficulty Level of Section E	Moderate to Tough
Topics with Highest Weightage in Exam	Electromagnetic waves, Optics
Expected Number of Good Attempts	65+

CBSE Class 12 Physics Answer Key 2025 PDF

We have updated the unofficial answer key for CBSE Class 12 Physics exam below. The candidates can download the CBSE Class 12 Physics answer key in PDF form by clicking on the link below:

Q.1 Which of the following rays coming from the sun plays an important role in maintaining the earth’s warmth?

Ans: Option A (Infrared rays)

Q.2

Ans: Option D

Q. 3

Ans: Option D

Q. 4 Two coherent light waves, each having amplitude “a”, superpose to produce an interference pattern on a screen. The intensity of light as seen on the screen varies between:

Ans: Option B (0 and 4A2)

Q.5 A current of (10/x)A is maintained in a circular loop of radius 14 cm. The value of dipole moment associated with the loop is:

Ans: Option C (0.196 Am2)

Q. 6 A transformer is a device used for converting:

Ans: Option C (low AC voltage and large AC current to high AC voltage and small AC current)

Q. 7

Ans: Option D (4R/3)

Q. 8 Which of the following electromagnetic waves has photons of largest momentum?

Ans: Option A (X-rays)

Q. 9 to 12:

Q. 9 Ans: Option C (¼)

Q. 10 Ans: Option A (2 cm)

Q. 11 Ans: Option B

Q. 12 Ans: Option B (5 cm)

Q. 13 to 16: Assertion and Reasoning

Q. 13 Ans: Option A (Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A)).

Q. 14 Ans: Option D Both (Assertion (A) and Reason (R) are false)

Q. 15 Ans: Option C (Assertion (A) is true but Reason (R) is false)

Q. 16 Ans: Option A (Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A))

CBSE Class 12 Physics Unofficial Answer Keys 2025 PDF

CBSE Class 12 Physics Question Paper 2025 PDF

In the link provided below, we have updated the CBSE Class 12 Physics question paper. The candidates can download the question paper for CBSE Class 12 Physics in PDF form by clicking on the link below:

Sets	Question Paper PDF
Set 1	Download PDF
Set 2	Download PDF
Set 3	Download PDF
Set 4	Download PDF (To be Added)