CBSE Class 10 Science Reflection and Refraction Competency-Based Questions With Answer Key 2024-25: Chapter 9 FREE PDF Download

CBSE 2024-25 Competency-Based Questions With Answers: The Central Board of Secondary Education (CBSE) has recently released a set of competency-based questions for Chapter 9, Light – Reflection and Refraction, in Class 10 Science. These questions aim to deepen students’ understanding by focusing on real-life applications of scientific concepts, essential for the 2025 board examinations. All competency-based questions are now available on the CBSE’s official academic portal, cbseacademic.nic.in.

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CBSE Competency-Based Questions for Class 10 Chapter 9: Light – Reflection and Refraction

Below are some examples of competency-based questions from Chapter 9, focusing on Light – Reflection and Refraction:

1. Which of the following characteristics of a spherical mirror is given by the ratio of the size of the image to the size of the object?
1. Aperture
2. Magnification
3. Focal length
4. Radius of curvature
   Answer: B. Magnification
   Marks: 1
2. What does the negative sign in the power -3D signify?
1. The focus is on the same side of the lens as the object.
2. The focus is on the opposite side of the lens as the object.
3. The principal focus is situated outside the principal axis.
4. The focal length on one side of the lens is smaller than on the other.
   Answer: A. The focus is on the same side of the lens as the object.
   Marks: 1
3. Which among the two lenses with powers -3D and 4D respectively can form a real image?
1. Only the lens with power -3D
2. Only the lens with power 4D
3. Both lenses
4. Neither of the lenses
   Answer: B. Only the lens with power 4D
   Marks: 1

These questions challenge students to go beyond rote learning, requiring an understanding of real-world applications of light reflection and refraction principles.

Check: 

• CBSE Class 10 Maths CBQs Chapter-Wise PDFs

• CBSE Class 10 Science CBQs Chapter-Wise PDFs 

Importance of Competency-Based Questions in CBSE Examinations

Competency-based questions allow students to apply knowledge to practical scenarios. This approach, as seen in Chapter 9 on Light – Reflection and Refraction, prepares students to think analytically, building a foundation for future studies. CBSE’s inclusion of these questions also aligns with the National Education Policy’s focus on skill-based learning, with sample questions available on the CBSE academic website for further preparation.

Related:

• CBSE Class 10 Syllabus 2024-25 (All Subject PDFs)
• CBSE Class 10 Sample Papers with Answers 2024-25 (All Subject PDFs)
• CBSE Class 10 Exam Dates 2025