Thin Converging Lens

Which statement about the image formed by a thin converging lens is correct?
1. It is always real and erect.
2. It is always real and inverted.
3. It is always virtual and erect.
4. It may be either virtual or real.
A lens forms an image at I of an object at O.

Where does the lens form an image of an object at P?
1. A
2. B
3. C
4. D
The ray diagram shows how a real image of an object is formed by a converging lens.

Which distance represents the focal length of the converging lens?
1. A
2. B
3. C
4. D
The diagram shows an experiment to measure the focal length of a lens.

Which distance is the focal length of the lens?
1. P
2. Q
3. R
4. P+Q
The human eye has a converging lens system that produces an image at the back of the eye.
If the eye views a distant object, which type of image is produced?
1. Real, Erect, Diminished
2. Real, Inverted, Diminished
3. Virtual, Erect, Diminished
4. Virtual, Inverted, Diminished
The diagram shows the action of the magnifying glass.

Which point is the principal focus of the lens?
1. A
2. B
3. C
4. D
Which type of image is produced by a converging lens on a screen?
1. Inverted and real
2. Inverted and virtual
3. Upright and real
4. Upright and virtual
Which of the following correctly describes the images formed by a thin converging lens when used as a
magnifying glass?
1. Real, erect, magnified
2. Real, inverted, magnified
3. Virtual, erect, magnified
4. Virtual, inverted, magnified
The diagram shows how a converging lens forms an image of an object.

Which statement describes the image?
1. It is real, erect and magnified.
2. It is real, inverted and diminished.
3. It is real, inverted and magnified.
4. It is virtual, erect and magnified.
The diagram represents a converging (convex) lens L whose principal foci are at F₁ and F₂.
Distance F is the focal length of L.

Where will the image of object O be formed?
1. Between F₁ and L
2. Between L and F₂
3. Between F₂ and Q
4. At Q
In the diagram, XY is a converging (convex) lens and F are its principal foci. An object is placed at O.

At which point is the base of the image formed?
1. A
2. B
3. C
4. D
An object O is placed 3 cm away from converging lens of the focal length 6 cm.

What type of image is produced?
1. Virtual, erect and magnified
2. Virtual, erect and diminished
3. Real, inverted and magnified
4. Real, inverted and diminished
Below are several diagrams that show how a ray of light passes through the lenses.

Which one is correct?
1. A
2. B
3. C
4. D
What happens when an observer uses a converging lens as a magnifying lens?
1. The image is upright, virtual and appears further from the eye than the object.
2. The image is inverted, real and nearer the eye than the object.
3. The image is upright, real and nearer the eye than the object.
4. The image is inverted, real and further from the eye than the object.
Given the diagram below, which shows a magnifying glass in action, which one of the the points A - D is the principal focus of the lens?
1. A
2. B
3. C
4. D
A ray of light passes through the centre of a thin converging lens

In which direction does the ray leave?
1. A
2. B
3. C
4. D

Thin Converging Lens

Multiple Choice Questions