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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:- optical centre
Define the following term in the context of spherical mirrors:- Principal axis
A 2.0 cm tall object is placed 40 cm from a diverging lens of focal length 15 cm. Find the position and size of the image.
State the two convenient rays that are chosen to construct the image by a spherical mirror for a given object? Explain your answer with the help of suitable ray diagrams.
Does the mirror mentioned in part (b) form real image for all locations of the object?
Name the kind of mirror used to obtain:
A virtual and diminished image
An object 5 cm high is placed at a distance 60 cm in front of a concave mirror of focal length 10 cm. Find the position and size of the image.
Define the following term:
concave mirror
Does the mirror name by your form a real image for all locations? Give a reason for your answer.
Define the radius of curvature.
