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प्रश्न
Write the spherical mirror's formula and explain the meaning of each symbol used in it.
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
A student obtains a sharp image of the distant window (W) of the school laboratory on the screen (S) using the given concave mirror (M) to determine its focal length. Which of the following distances should he measure to get the focal length of the mirror?
Define the following term in the context of spherical mirrors:- Principal focus
An image which can be obtained on a screen is called a ______ image.
State the two kinds of spherical mirror and distinguish them with the aid of proper diagrams.
Explain the following terms :
Pole, Centre of curvature, Radius of curvature, Principal axis. Show them on separate diagrams for each of the concave and convex mirrors.
Write two more characteristics of the image.
Draw a ray diagram to show the formation of image of an object kept in front of a convex mirror. State three characteristics of the image.
An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
Concave mirror
