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प्रश्न
Draw a labelled ray diagram to show how a ray of light is refracted when it passes:
from air into an optically denser medium.
उत्तर
Refraction of light ray when it passes from air to an optically denser medium:
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संबंधित प्रश्न
If you focus the image of a distant object, whose shape is given below, on a screen using a convex lens, the shape of the image of this object on the screen would be:
(a)
(b)
(c)
(d)
Explain with the help of a diagram, why the convex lens is also called a converging lens.
Define principal axis, principal focus and focal length of a convex lens.
If the object is moved to a point only 3 cm away from the lens, what is the new position, height and nature of the image?
Which of the above two cases illustrates the working of a magnifying glass?
Where is the image formed?
If an object is placed in front of a convex lens beyond 2F1, then what will be the position, relative size, and nature of an image which is formed? Explain with a ray diagram.
What happens to the image formed by a convex lens if its lower part is blackened?
State the position of object, position of image, nature of image when: Convex lens is used in cine projector.
