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संबंधित प्रश्न
Explain the following term related to spherical lenses:- optical centre
Explain the following term related to spherical lenses:- aperture
An image which can be obtained on a screen is called a ______ image.
The radius of curvature of a convex mirror is 40 cm. Find its focal length.
An object of height 2 cm is placed at a distance of 20 cm in front of a concave mirror of a focal length of 12 cm. Find the position, size, and nature of the image.
What is a mirror formula?
A concave mirror can be used to produce a parallel beam of light. Draw a ray to illustrate this.
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?
Which of the following has curved reflecting surface?
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
