Q13
1 markMCQSection A

An object is placed in front of a convex mirror at infinity. According to the New Cartesian Sign Convention, the sign of the focal length and the sign of the image distance in this case are respectively :

Light — Reflection and Refraction
Sign Convention for Reflection by Spherical Mirrors

Options

(a)+,+, -
(b),+-, +
(c),-, -
(d)+,++, +
Official Answer

The sign of the focal length is positive for a convex mirror and the sign of the image distance is negative as the image is formed behind the mirror. Therefore, the correct option is (a) +, -

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Frequently Asked Questions

How many marks does this question carry in CBSE Class 10 Science 2023?

This question carries 1 mark in the CBSE Class 10 Science 2023 examination.

Which chapter does this question come from in Science?

This question is from the chapter "Light — Reflection and Refraction" in the CBSE Class 10 Science syllabus.

What topic does this question cover in Science?

This question covers the topic "Sign Convention for Reflection by Spherical Mirrors" from CBSE Class 10 Science.

What type of question is this in the CBSE Class 10 Science 2023 paper?

This is a MCQ question from Section A in the CBSE Class 10 Science 2023 paper.