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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
A student obtains a sharp image of the distant window (W) of the school laboratory on the screen (S) using the given concave mirror (M) to determine its focal length. Which of the following distances should he measure to get the focal length of the mirror?

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Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
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Is real image always inverted?
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Define the term Normal.
Assertion: Incident ray is directed towards the centre of curvature of spherical mirror. After reflection it retraces its path.
Reason: Angle of incidence (i) = Angle of reflection (r) = 0°
