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प्रश्न
Visit a nearby hospital. You can also visit the clinic of an ENT specialist, or a dentist. Request the doctor to show you the mirrors used for examining ear, nose, throat and teeth. Can you recognise the kind of mirror used in these instruments?
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उत्तर
Visit to a Hospital
Activity:
- Visit a nearby hospital, the clinic of an ENT specialist, or a dentist.
- Request the doctor to show you the mirrors used for examining the ear, nose, throat, and teeth.
- Observe the mirrors and try to recognize the kind of mirrors used in these instruments.
Observation:
- Doctors use small, specially designed mirrors in their instruments to examine patients' ears, nose, throat, and teeth.
Explanation:
The mirrors used in these medical instruments are typically concave mirrors.
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- Concave Mirrors: These mirrors are curved inward, allowing them to focus light onto a specific area. They provide a clear and magnified view of small and detailed structures like the ear canal, nasal passages, throat, and teeth.
Conclusion:
- Concave mirrors are commonly used in medical instruments to examine the ear, nose, throat, and teeth. They help doctors by focusing light and providing a magnified and clear view of the specific areas being examined.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal focus
A virtual image larger than the object can be produced by a ______.
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
State the number of images of an object placed between two mirrors, formed in each case when mirrors are inclined to each other at (a) 90°, and (b) 60°.
The boxes in figure (a, b, c) represent mirrors; insert a mirror which will reflect the incident ray as shown in the diagram.

What is the difference between virtual images of an object formed by a concave mirror and a convex mirror?
