Sound of Music

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Sound of Music
Learning check! 4
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1. What does RIP stand for?
A. Real is Positive
B. Rest in Peace
C. Resultant is Positive
D. Roderick Ivanovich Penguin
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2.Which is real?
A. The focal length of a converging lens
B. The image distance from a diverging lens
C. The image in a magnifying glass
D. Santa Claus
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3. What is the alternative unit of lens power?
A. diaper
B. dioptre
C. dipster
D. diplodocus
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4. What is the SI unit of lens power?
A. m
B. m-1
C. ms
D. ms-1
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5. Which power most suits a strong converging
lens?
A. -4D
B. -2D
C. 2D
D. 4D
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6. Which applies to an image in a magnifying glass
A. Real diminished
B.Virtual diminshed
C. Virtual magnified
D.Real magnified
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7. Which is NOT true of real images
A. They can be seen on a screen
B. They can be inverted
C. They can be diminshed
D.They are on the same side of the lens as the
object
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8. The lens of a pigs eye produces an image that
is
A. Real diminished
B.Virtual diminshed
C. Virtual magnified
D.Real magnified
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9. Human eyes focus using accomodation the
movement of muscles to change the shape of the
lens. Which lens shape is most likely to focus a
close up object ?
A.
B
C.
D
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10. Octopi have rigid eye lenses which they can
move closer to the retina to focus. If the mean
distance from the retina is 2cm with a range of
0.2cm, what is the maximum power of the lens?
B. 50.5D
A. 50.0D
B. 45.5D
D. -50.0D
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1. What does RIP stand for?
A. Real is Positive
B. Rest in Peace
C. Resultant is Positive
D. Roderick Ivanovich Penguin
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2.Which is real?
A. The focal length of a converging lens
B. The image distance from a diverging lens
C. The image in a magnifying glass
D. Santa Claus
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3. What is the alternative unit of lens power?
A. diaper
B. dioptre
C. dipster
D. diplodocus
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4. What is the SI unit of lens power?
A. m
B. m-1
C. ms
D. ms-1
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5. Which power most suits a strong converging
lens?
A. -4D
B. -2D
C. 2D
D. 4D
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6. Which applies to an image in a magnifying glass
A. Real diminished
B.Virtual diminshed
C. Virtual magnified
D.Real magnified
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7. Which is NOT true of real images
A. They can be seen on a screen
B. They can be inverted
C. They can be diminshed
D.They are on the same side of the lens as the
object
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8. The lens of a pigs eye produces an image that
is
A. Real diminished
B.Virtual diminshed
C. Virtual magnified
D.Real magnified
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9. Human eyes focus using accomodation the
movement of muscles to change the shape of the
lens. Which lens shape is most likely to focus a
close up object ?
A.
B
C.
D
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10. Octopi have rigid eye lenses which they can
move closer to the retina to focus. If the mean
distance from the retina is 2cm with a range of
0.2cm, what is the maximum power of the lens?
A. 50.0D
B. 50.5D
B. 45.5D
D. -50.0D