Advertisements
Advertisements
Question
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
Options
lnverted and same size as the obíect
lnverted and diminished
lnverted and magnified
Erect and diminished
Erect and magnified
Advertisements
Solution
lnverted and magnified
APPEARS IN
RELATED QUESTIONS
Study the diagram shown in Fig. 5.56
where is the object located?

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 L whose foci are at F1 and F2.

- Draw two rays to locate the position of the image.
- State the position of the image with reference to the lens.
- Describe three characteristics of the image.
- Describe how the distance of the image from the lens and its size change as the object is moved towards F1.
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 how the distance of the image from the lens and the size of the image change as the object is moved towards F1.
Make the correct choices in the following items :
The image formed by a diverging lens, shown in fig, , is

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.
The diagram showed a lens as a combination of one glass block and two prisms. Complete the ray diagram and show the part of the incident ray AB after passing through the lens.
(i) Name of the lens formed by the combination.
(ii) What is the line XX’ called?
(iii) Mark the focus F.

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

Draw a ray diagram to show the image formed by a convex lens when the object is placed between F and 2F.
