CBSE 12th Physics Question Paper 2025 (All SETs): Download PDF with Solutions

CBSE Class 12 Physics answer key for all sets

Students can compare their responses with the CBSE Class 12 Physics answer key provided below. All the correct options for multiple-choice questions (MCQs) will be available here to help students evaluate their performance accurately.

CBSE class 12 physics 55/6/2 answer key

CBSE class 12 physics 55/6/1 answer key

CBSE class 12 physics 55/6/3 answer key

Also Check:

• CBSE Class 12 Geography Question Paper 2025
• CBSE Class 12 Chemistry Question Paper 2025

Class 12 CBSE Physics Question Paper 2025 PDF

From this section, students can download the CBSE 12th physics question paper PDF by clicking on the given link, and also download the answer key and solution PDF. CBSE physics class 12 answer key of all sets with the detailed solution in the form of a PDF, which will help the student to check their marks according to the correct CBSE physics answer key and solution.

Section-B

Questions no. 21 to 26 are Very Short Answer Type questions.

21. (a) List the possible sources of energy required in decomposition reactions. Illustrate anyone with a suitable example. OR

(b) What is observed when hydrated ferrous sulphate crystals are heated in a dry boiling tube? Give balanced chemical equation(s) of the reactions(s) that occur(s).

22. Giving reason, state the advantage of using baking powder over baking soda for the preparation of bread or cakes.

23. State the main function of arteries. Why do they have thick and elastic walls?

24. (a) Explain how the proteins control the 'characteristics' in an organism with the help of an example of the 'short height' trait in a pea plant.

(b) Name the information source of making proteins in a cell.

25. (a) A student has difficulty in reading his textbooks but can read the blackboard clearly while sitting in the last row. Name the defect of vision the student is suffering from. List two reasons why this defect arises. Write the nature of the lenses required to correct this defect.

Note: Download the Complete CBSE question and answer from the above table.

CBSE 12 Physics (Theory) Question Paper 2025 Pattern

The question paper follows a structured pattern divided into five sections (A, B, C, D, and E), with a total of 33 questions. Below is the detailed paper pattern:

General Instructions:

• The question paper contains 33 questions, all of which are compulsory.

• The paper is divided into five sections: A, B, C, D, and E.

• Internal choice is provided in some questions in all sections except Section A.

• The use of calculators is not allowed.

• Values of important physical constants are given for reference.

Section-wise breakup is given below in the table:

How to Calculate Your CBSE Class 12 Physics Exam 2025 Score

Once the CBSE Class 12 Physics Answer Key 2025 is available, match your responses with the correct options provided.

• Ensure that your question paper code matches the answer key you are using for accurate evaluation.
• Award yourself +1 mark for each correct answer, and note that there is no negative marking for incorrect answers.
• Repeat this process for all 16 MCQs and count the number of correct and incorrect responses.
• For example, if 12 answers are correct and 4 are incorrect, your total score for this section will be 12 marks.

Additional Topics:

• CBSE Class 12 Date Sheet 2026
• CBSE Class 12 Maths Question Paper 2025
• CBSE Class 12 Maths Exam Analysis 2025