Key answer of physics and chemistry

You can access the official answer keys for Physics and Chemistry for every exam background (UG and PG) through the National Testing Agency (NTA) after the respective exams. These answer keys apply to all streams and backgrounds, as the NTA releases subject-wise answer keys for each paper set.

How to Get Physics and Chemistry Answer Keys

• For CUET UG (Undergraduate):

  • The answer keys for Physics and Chemistry will be released at [exams.nta.ac.in/CUET-UG] (https://www.shiksha.com/science/cuet-exam-answer-key)

  • You can download the set-wise answer key PDFs for your specific subject and paper code.

Sample Key Answers

Physics (Sample Questions from Previous Memory-Based Paper) (https://www.adda247.com/school/cuet-physics-question-paper/)

• Match Column I and II (Charge densities):

  • (A) Linear charge density → (2) Charge Length

  • (B) Surface charge density → (3) Charge Area

  • (C) Volume charge density → (1) Charge Volume

  • (D) Discrete charge → (4) System of individual charges

  • Correct Option: (a) A→2, B→3, C→1, D→4

• Equipotential Surface:

  • Surface where electric potential is the same at every point.

Chemistry (Sample Questions from CUET PG 2025): (https://www.collegedekho.com/news/cuet-pg-2025-chemistry-exam-analysis-question-paper-answer-key-64355/)

• Shape of Xenon Difluoride ): Linear

• Shape of Xenon Tetrafluoride ): Square planar

• Element with lowest ionization energy: Cesium (Cs)

• Radial nodes for 4f orbital: 0

  How to Use the Answer Keys

1. Download the official answer key PDF for your subject and set from the NTA website.

2. Match your question paper code/set with the answer key.

3. Compare your responses and calculate your probable score.

4. For PG exams, you can also download your response sheet and match your answers directly (https://www.adda247.com/school/cuet-pg-answer-key-2025-response-sheet/) (https://testbook.com/blog/cuet-pg-answer-key-2025/) (https://www.shiksha.com/news/science-cuet-pg-answer-key-2025-live-nta-cuet-pg-provisional-key-and-response-sheet-link-at-exams-nta-ac-in-blogId-196874) .

Summary Table

In summary:
The official NTA answer keys for Physics and Chemistry are available for every background and stream. Download the set-wise or subject-wise answer key from the official NTA portal after the exam, match your responses, and estimate your score