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प्रश्न
Complete the following diagram and state what happens to the ray of light after refraction through the lens.
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उत्तर
A ray of light that passes through the principal focus or appears to pass through the principal focus, goes parallel to its principal axis.
संबंधित प्रश्न
In figure, (a) and (b), F1 and F2 are the two foci of thin lenses and AB is the incident ray. Complete the diagram to show the path of the ray AB after refraction through each lens.
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| (a) |
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| (b) |
Study the diagram shown in Fig. 5.56
Complete the diagram to show the formation of image A’B’ of the object AB of same size.
Study the diagram shown in Fig. 5.56
what are the two other characteristics of the image?
A ray of light incident at the optical centre of lens, passes undeviated after refraction.
In the following diagram ., the object and the image formed by the respective lenses are shown. Complete the ray diagram, and locate the focus. Find the focal length of the lens.
In the following diagram , the object and the image formed by the respective lenses are shown. Complete the ray diagram, and locate the focus. Find the focal length of the lens.
How will you differentiate between a convex and a concave lens by looking at a distant object.
Draw a ray diagram to show the image formed by a convex lens when the object is placed between F and 2F.
