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प्रश्न
Name the two types of spherical mirrors. What type of mirror is represented by the:
back side of a shining steel spoon?
उत्तर
The types of spherical mirrors represented by the
back side of a shining steel spoon is convex mirror, and
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संबंधित प्रश्न
A concave mirror always forms a real image.
What is the name of the phenomenon in which the right side of an object appears to be the left side of the image in a plane mirror?
The diverging lens in part (a) is replaced by a converging lens also of focal length 100 mm. The object remains in the same position and an image is formed by the converging lens. Compare two properties of this image with those of the image formed by the diverging lens in part (a).
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
A coin placed at the bottom of a vessel appears to be raised when water is poured in the vessel.
Explain the meaning of the terms focus and focal length in case of a convex mirror, with the help of suitable ray diagram.
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
Define the following term in relation to concave mirror.
Principal focus
Define the following term in relation to concave mirror.
Radius of curvature
An object is placed in front of a concave mirror as shown in the following figure. By scale drawing, find the nature of the image. Given f = 10 cm, v = 30 cm.
