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प्रश्न
A lens forms the image of an object placed at a distance of 45 cm from it on a screen placed at a distance 90 cm on the other side of it. Name the kind of lens.
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उत्तर
As the image is formed on the other side of the lens, the image is real. Hence, the lens is a convex lens.
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संबंधित प्रश्न
What is a lens?
State the condition when a lens is called an equi-convex or equi-concave.
A ray of light after refraction through a lens emerges parallel to the principal axis of the lens. The incident ray either passes through ______.
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 the following Figure.
Name the lens LL’ and draw its outline.
Study the diagram shown in Fig. 5.56
Where is the image formed?
The diagram given below shows the position of an object OA in relation to a converging lens whose foci are at F1 and F2.
Describe three characteristic of the image.
Make the correct choices in the following items:
lf the image can be focused on a screen it must be
Name the subjective property of light related to its wavelength.
Draw a ray diagram to show the image formed by a convex lens when the object is placed between F and 2F.
