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प्रश्न
For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray:
पर्याय
Retraces its path
Passes through the focus
Passes through the pole
Becomes parallel to the principal axis.
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उत्तर
For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray : Retraces its path
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संबंधित प्रश्न
Explain the following term related to spherical lenses: focal length
Define the Focal length of a spherical 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).
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
The image formed by a convex mirror is of size one third the size of object. How are u and v related?
The following Figure shows a concave mirror MM' on which a ray of light incident from a point P gets reflected to meet the principle axis at O.
(a) Find, by construction, the position of the centre of curvature of the concave mirror.
(b) Write down the value for the radius of curvature of the mirror.
(c) Calculate the focal length of the mirror.
(d ) Which relation is used in deducing the focal length from the radius of curvature?
A student traces the path of a ray of light passing through a rectangular slab.
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For measuring the angle of incidence, he must position the protractor in the manner shown in the figure:
The distance from the center of curvature of the mirror to the pole is called the focal length of the mirror.
