An object of height 2.5 cm is placed at a distance of 15 cm from the optical centre ‘O' of a convex lens of focal length 10 cm. Draw a ray diagram to find the position and size of the image formed. Mark optical centre ‘O', principal focus F and height of the image on the diagram.
CBSE OUTSIDE DELHI - SET 2 2016
Download our app for free and get startedPlay store
The ray diagram is as follows:

The size of the image formed is 5 cm beyond 2F.
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    The diagram given alongside shows a ray of light entering a rectangular block of glass:
    1. Copy the diagram and draw the normal at the point of entry.
    2. Draw the approximate path of the ray of light through the glass block and out of the other side.
    View Solution
  • 2
    A doctor has prescribed a corrective lens of power +1.5 D. Find the focal length of the lens. Is the prescribed lens diverging or converging?
    View Solution
  • 3
    Light travels more quickly through water than through glass:
    1. Which is optically denser: Water or glass?
    2. If a ray of light passes from glass into water, which way will it bend: Towards the normal or away from the normal?
    View Solution
  • 4
    If an object is placed at a distance of 8cm from a concave mirror of focal length 10cm, discuss the nature of the image formed by drawing the ray diagram.
    View Solution
  • 5
    The lens A produces a magnification of, -0.6 whereas lens B produces a magnification of +0.6:
    1. What is the nature of lens A?
    2. What is the nature of lens B?
    View Solution
  • 6
    Define:
    1. Principal focus of a concave mirror.
    2. Focal length of a concave mirror.
    View Solution
  • 7
    An object is placed at a distance of 30 cm from a concave lens of focal length 15 cm. List four characteristics (nature, position, etc.) of the image formed by the lens.
    View Solution
  • 8
    State the two laws of reflection of light.
    View Solution
  • 9
    Where would the image be formed by a convex mirror if the object is placed:
    1. Between infinity and pole of the mirror?
    2. At infinity?
    Draw labelled ray-diagrams to show the formation of image in both the cases.
    View Solution
  • 10
    Draw ray diagrams showing the image formation by a convex lens when an object is placed:
    Between optical centre and focus of the lens.
    View Solution