Sound of Music Learning check! #4. 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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Presentation transcript:

Sound of Music Learning check! #4

1. What does RIP stand for? A. Real is Positive B. Rest in Peace C. Resultant is Positive D. Roderick Ivanovich Penguin

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

3. What is the alternative unit of lens power? A. diaper B. dioptre C. dipsterD. diplodocus

4. What is the SI unit of lens power? A. m B. m -1 C. msD. ms -1

5. Which power most suits a strong converging lens? A. -4D B. -2D C. 2DD. 4D

6. Which applies to an image in a magnifying glass A. Real & diminished B.Virtual & diminshed C. Virtual & magnified D.Real & magnified

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

8. The lens of a pigs eye produces an image that is A. Real & diminished B.Virtual & diminshed C. Virtual & magnified D.Real & magnified

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

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. 45.5DD D

1. What does RIP stand for? A. Real is Positive B. Rest in Peace C. Resultant is Positive D. Roderick Ivanovich Penguin

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

3. What is the alternative unit of lens power? A. diaper B. dioptre C. dipsterD. diplodocus

4. What is the SI unit of lens power? A. m B. m -1 C. msD. ms -1

5. Which power most suits a strong converging lens? A. -4D B. -2D C. 2DD. 4D

6. Which applies to an image in a magnifying glass A. Real & diminished B.Virtual & diminshed C. Virtual & magnified D.Real & magnified

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

8. The lens of a pigs eye produces an image that is A. Real & diminished B.Virtual & diminshed C. Virtual & magnified D.Real & magnified

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

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. 50.0DB. 50.5D B. 45.5DD D