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प्रश्न
Write the spherical mirror's formula and explain the meaning of each symbol used in it.
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उत्तर
The spherical mirror's formula is `1/"u" + 1/"v" = 1/"f"`
Here, u is the object distance, v is the image distance and f is the focal length of the mirror.
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संबंधित प्रश्न
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
Draw a ray diagram to show the formation of image by a concave mirror for an object placed between its pole and focus. State three characteristics of the image.
How is the focal length of a spherical mirror related to its radius of curvature?
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
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?
Geometric centre of the spherical mirror is ______.
What is the focal length (f) of a mirror?
