Q13
1 markMCQSection A

In order to obtain large images of the teeth of patients, the dentist holds the concave mirror in such a manner that the teeth are positioned

The Human Eye and the Colourful World
Refraction of Light

Options

(A)at the focus of mirror.
(B)between pole and focus of the mirror.
(C)between focus and centre of curvature of the mirror.
(D)at the centre of curvature of the mirror.
Official Answer

between pole and focus of the mirror

concave mirrorvirtual imageerect imagemagnified image

Hint

Recall the properties of concave mirrors and the type of image they form when the object is placed between the pole and focus.

Quick Oral Answer

The dentist uses a concave mirror to obtain a large image of the teeth of patients. To achieve this, the teeth should be positioned between the pole and focus of the mirror.

Analysis & Explanation

The dentist uses a concave mirror to obtain a large image of the teeth of patients. To achieve this, the teeth should be positioned between the pole and focus of the mirror. This is because the concave mirror forms a virtual, erect, and magnified image when the object is placed between the pole and focus.

Common Mistakes

  1. 1Positioning the teeth at the focus or centre of curvature of the mirror

Interesting Facts

Concave mirrors are used in dentistry to examine teeth and gums.

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Frequently Asked Questions

How many marks does this question carry in CBSE Class 10 Science 2025?

This question carries 1 mark in the CBSE Class 10 Science 2025 examination.

Which chapter does this question come from in Science?

This question is from the chapter "The Human Eye and the Colourful World" in the CBSE Class 10 Science syllabus.

What topic does this question cover in Science?

This question covers the topic "Refraction of Light" from CBSE Class 10 Science.

What type of question is this in the CBSE Class 10 Science 2025 paper?

This is a MCQ question from Section A in the CBSE Class 10 Science 2025 paper.