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प्रश्न
Show with the help of a ray diagram, the path of the ray when incident normally on the first surface of the glass block, through the block and the liquid.
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उत्तर
We are assuming that the glass block is bounded by parallel plane refracting surfaces.
संबंधित प्रश्न
The following diagram shows an object AB and a converging lens L with foci F1 and F2 State three characteristics of the image in relation to the object.
A lens forms an erect, magnified and virtual image of an object.Draw a ray diagram to show the formation of image.
An illuminated object lies at a distance 1.0 m from a screen. A convex lens is used to form the image of the object on a screen placed at a distance of 75 cm from the lens. Find:
- the focal length of the lens, and
- the magnification.
What are conjugate foci?
Define the term magnifying power of a simple microscope. How does it depend on the focal length of the lens used?
Will the image formed by a magnifying glass be real or virtual?
What information we seek by the linear magnification of the image when it is positive or negative?
Define magnification produced by a lens. State its unit.
Name the lens for which magnification is always less than 1.
Copy and complete the following ray diagram.
