मराठी

In the figure, (a) and (b), F1 and F2 are positions of the two foci of thin lenses. Draw the path taken by the light ray AB after it emerges from each lens. - Physics

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प्रश्न

In the following figure (a) and (b), F1 and F2 are positions of the two foci of thin lenses. Draw the path taken by the light ray AB after it emerges from each lens.

(a)
(b)
आकृती

उत्तर

(a) The ray AB after it emerges from the lens as BC.

(b) The incident ray AB emerges after refraction through convex lens takes the path along BC.

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Guideline for Image Formation Due to Refraction Through a Convex and Concave Lens
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Refraction through a Lens - Exercise 5 (A) 1 [पृष्ठ १०९]

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सेलिना Physics [English] Class 10 ICSE
पाठ 5 Refraction through a Lens
Exercise 5 (A) 1 | Q 27 | पृष्ठ १०९

संबंधित प्रश्‍न

The diagram below shows a lens as a combination of a glass slab and two prisms.

  1. Name the lens formed by the combination.
  2. What is the line XX’ called?
  3. Complete the path of the incident ray AB after passing through the lens.
  4. The final emergent ray either meets XX’ at a point or appears to come from a point on XX’. Label it as F. What is this point called?

A ray of light incident on a lens parallel to its principal axis, after refraction passes through or appears to come from ______.


The diagram given below shows the position of an object OA in relation to a converging lens L whose foci are at F1 and F2.

  1. Draw two rays to locate the position of the image.
  2. State the position of the image with reference to the lens.
  3. Describe three characteristics of the image.
  4. Describe how the distance of the image from the lens and its size change as the object is moved towards F1.

A ray of light incident at the optical centre of lens, passes undeviated after refraction.


For an object placed at a distance 20 cm in front of a convex lens, the image is at a distance 20 cm behind the lens. The focal length of the convex lens is ______.


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.


Make the rrect choices in the following items :

An object is placed 50 cm from a connverging lens of focal length 30 cm. The image produced would be


Name the subjective property of light related to its wavelength.


Complete the following diagram and state what happens to the ray of light after refraction through the lens.


Mixture of red + blue + green is passed through a convex lens as shown in the diagram below. State whether the ray passes through a single point or through different points on the principal axis after refraction.


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