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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?
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.
संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Centre of curvature
We can obtain an enlarged and erect image by a convex mirror.
A concave mirror always forms a real image.
Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.
Define Radius of curvature of the spherical mirror
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
Define focal length.
The distance from the center of curvature of the mirror to the pole is called the focal length of the mirror.
In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the telescope is 2, will be ______.