# Lenses Quiz

### Description

Quiz on lenses and types of images for 0654 Coordinated Sciences
Quiz by Jeffrey Piggott, updated more than 1 year ago
 Created by Jeffrey Piggott over 4 years ago
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## Resource summary

### Question 1

Question
The ray diagram shows the image of an object formed by a converging lens. What is the focal length of the lens?
• A 40 cm
• B 50 cm
• C 72 cm
• D 90 cm

### Question 2

Question
In the diagram, the distance OP is the focal length of the converging lens. One ray of light from O is shown. Through which point will this ray pass, after refraction by the lens?
• A
• B
• C
• D

### Question 3

Question
In the diagram, the distance OP is the focal length of the converging lens. One ray of light from O is shown. Through which point will this ray pass, after refraction by the lens?
• A
• B
• C
• D

### Question 4

Question
A parallel beam of light falls on a converging lens. Which diagram shows what happens to the beam of light?

### Question 5

Question
A student draws a diagram representing three rays of light from point P passing through a converging lens. Each point labelled F is a principal focus of the lens. Which of the rays has the student drawn correctly?
• A
• B
• C
• D

### Question 6

Question
Which labelled distance is the focal length of the lens?
• A
• B
• C
• D

### Question 7

Question
Which statement about a converging lens is not correct?
• A A ray parallel to the principal axis of the lens is refracted through the principal focus.
• B All rays of light refracted by the lens pass through the principal focus.
• C The distance between the centre of the lens and the principal focus is the focal length.
• D The principal focus of the lens is a point on the principal axis.

### Question 8

Question
An object is placed in front of a converging lens. The lens has a focal length f. The lens produces a real, enlarged image of the object. In which labelled position is the object placed?
• A
• B
• C
• D

### Question 9

Question
Which diagram correctly represents rays of light passing through a converging lens in a camera?
• A
• B
• C
• D

### Question 10

Question
The diagram represents a converging lens forming an image of an object. Which distance is the focal length of the lens?
• A PQ
• B PR
• C QR
• D QS

### Question 11

Question
A student draws three rays of light from point P through a converging lens. Each point labelled F is a principal focus of the lens. Which of the rays are drawn correctly?
• A ray Y only
• B ray Z only
• C ray X and ray Y
• D ray X and ray Z

### Question 12

Question
A converging lens in a projector is used to make an enlarged image of a small piece of film on a screen. At which labelled point could the piece of film be placed so that the lens produces this image?
• A
• B
• C
• D

### Question 13

Question
A thin converging lens is used to produce, on a screen, a focused image of a candle.
• A The image is at the principal focus (focal point) of the lens.
• B The image is bigger than the object.
• C The image is closer to the lens than the object is.
• D The image is inverted.

### Question 14

Question
The diagram shows a converging lens forming an image of an object. Which statement about the image is correct?
• A It is real and can be seen by an eye at X.
• B It is real and can be seen by an eye at Y.
• C It is virtual and can be seen by an eye at X.
• D It is virtual and can be seen by an eye at Y

### Question 15

Question
Which diagram shows how a converging lens is used as a magnifying glass?
• A
• B
• C
• D

### Question 16

Question
An object O is placed close to a thin converging lens. The diagram represents three rays from the top of O passing through the lens. Which type of image is produced by the lens when the object O is in this position?
• A real and diminished
• B real and enlarged
• C virtual and diminished
• D virtual and enlarged

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