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प्रश्न
Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.
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उत्तर १
If English letters like A, H, I, M, O, T, U, V, W, X and Y are placed in front of a mirror, then their images look exactly like the letters. These letters are vertically symmetrical. If we divide these letters from the middle, then their right and left parts will look the same.
उत्तर २
The letters of the English alphabet give exactly the same image in a plane mirror like the letter itself:
A, H, I, M, O, T, U, V, W, X, Y
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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:- Centre of curvature
Explain the following term related to spherical lenses:- aperture
Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram
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).
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.
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
The distance from the pole to the focus is called ______.
In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the telescope is 2, will be ______.
