Question

i.
Complete the following table for the image formation by a convex lens.
Sr. Position of Size of the
Nature of the image
Magnification
No. object image
(Negative or Positive)
Beyond 2F Small
a.
Between F1
and 0
Virtual and erect
GE
b.​

Answer 1

A virtual image is created between the convex lens' optical centre and focus when an object is positioned a specific distance from the lens and the image is smaller than the item in terms of size.

• Guidelines for using a convex lens to create images
• Rule 1: After refraction through the lens, a light ray that was initially parallel to the major axis passes through the focus.
• Rule 2: A light beam that passes through the convex lens' optical centre does not bend after refraction but instead travels straight.
• When an object placed between O and F in convex lens
  Position: Same side of lens
  Nature: Virtual, Erect and enlarged

• Between F and 2 F
  Position: Beyond 2F₂
  Nature: Real, inverted and enlarged
• At 2 F
  Position: At 2F₂
  Nature:Same size as that of the object, real and inverted

• Beyond 2 F
  Position : Between  F₂ and 2F₂
  Nature: Real,inverted and small in size

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Answer 2

Answer:

define homologous series