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प्रश्न
Concave mirrors are used by dentists to examine teeth. Why?
उत्तर
As a dentist’s head mirror: You would have seen a circular mirror attached to a band tied to the forehead of the dentist/ENT specialist. A parallel beam of light is made to fall on the concave mirror; this mirror focuses the light beam on a small area of the body (such as teeth, throat etc.).
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संबंधित प्रश्न
Study the following diagram and select the correct statement about the device 'X' :
(A) Device 'X' is a concave mirror of radius of curvature 12 cm
(B) Device 'X' is a concave mirror of focal length 6 cm
(C) Device 'X' is a concave mirror of focal length 12 cm
(D) Device 'X' is a convex of mirror of focal length 12 cm
If an object is placed at a distance of 8 cm from a concave mirror of focal length 10 cm, discuss the nature of the image formed by drawing the ray diagram.
Which type of mirror is used in a solar furnace? Support your answer with reason.
Give two uses of concave mirrors. Explain why you would choose concave mirrors for these uses.
An object is placed at a distance of 10 cm from a concave mirror of focal length 20 cm.
Calculate the image distance.
Name the mirror which can give:
an erect and enlarged image of an object.
What type of mirror should be used as a shaving mirror?
Why are concave mirrors used in solar devices?
A _____________ mirror is used by a dentist.
A concave mirror of focal length 20 cm forms an image having twice the size of object. For the virtual position of object, the position of object will be at ______.
