21667882
Descripción
Test por Jeffrey Piggott, actualizado hace más de 1 año
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Creado por Jeffrey Piggott
hace más de 4 años
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Pregunta 1
Pregunta
The ray diagram shows the image of an object formed by a converging lens.
What is the focal length of the lens?
Image:
Q1 (binary/octet-stream)
Respuesta
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A 40 cm
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B 50 cm
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C 72 cm
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D 90 cm
Pregunta 2
Pregunta
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?
Respuesta
-
A
-
B
-
C
-
D
Pregunta 3
Pregunta
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?
Respuesta
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A
-
B
-
C
-
D
Pregunta 4
Pregunta
A parallel beam of light falls on a converging lens.
Which diagram shows what happens to the beam of light?
Respuesta
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Image:Q3a (binary/octet-stream)
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Image:Q3b (binary/octet-stream)
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Image:Q3c (binary/octet-stream)
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Image:Q3d (binary/octet-stream)
Pregunta 5
Pregunta
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?
Image:
Q4 (binary/octet-stream)
Respuesta
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A
-
B
-
C
-
D
Pregunta 6
Pregunta
Which labelled distance is the focal length of the lens?
Respuesta
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AImage:Q5a (binary/octet-stream)
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BImage:Q5b (binary/octet-stream)
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CImage:Q5c (binary/octet-stream)
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DImage:Q5d (binary/octet-stream)
Pregunta 7
Pregunta
Which statement about a converging lens is not correct?
Respuesta
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A A ray parallel to the principal axis of the lens is refracted through the principal focus.
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B All rays of light refracted by the lens pass through the principal focus.
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C The distance between the centre of the lens and the principal focus is the focal length.
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D The principal focus of the lens is a point on the principal axis.
Pregunta 8
Pregunta
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?
Image:
Q8 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 9
Pregunta
Which diagram correctly represents rays of light passing through a converging lens in a camera?
Respuesta
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AImage:Q9a (binary/octet-stream)
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BImage:Q9b (binary/octet-stream)
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CImage:Q9c (binary/octet-stream)
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DImage:Q9d (binary/octet-stream)
Pregunta 10
Pregunta
The diagram represents a converging lens forming an image of an object.
Which distance is the focal length of the lens?
Image:
Q11 (binary/octet-stream)
Respuesta
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A PQ
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B PR
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C QR
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D QS
Pregunta 11
Pregunta
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?
Image:
Q12 (binary/octet-stream)
Respuesta
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A ray Y only
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B ray Z only
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C ray X and ray Y
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D ray X and ray Z
Pregunta 12
Pregunta
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?
Image:
Q13 (binary/octet-stream)
Respuesta
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A
-
B
-
C
-
D
Pregunta 13
Pregunta
A thin converging lens is used to produce, on a screen, a focused image of a candle.
Respuesta
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A The image is at the principal focus (focal point) of the lens.
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B The image is bigger than the object.
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C The image is closer to the lens than the object is.
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D The image is inverted.
Pregunta 14
Pregunta
The diagram shows a converging lens forming an image of an object.
Which statement about the image is correct?
Image:
Q15 (binary/octet-stream)
Respuesta
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A It is real and can be seen by an eye at X.
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B It is real and can be seen by an eye at Y.
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C It is virtual and can be seen by an eye at X.
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D It is virtual and can be seen by an eye at Y
Pregunta 15
Pregunta
Which diagram shows how a converging lens is used as a magnifying glass?
Respuesta
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AImage:Q16a (binary/octet-stream)
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BImage:Q16b (binary/octet-stream)
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CImage:Q16c (binary/octet-stream)
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DImage:Q16d (binary/octet-stream)
Pregunta 16
Pregunta
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?
Image:
Q17 (binary/octet-stream)
Respuesta
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A real and diminished
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B real and enlarged
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C virtual and diminished
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D virtual and enlarged
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