The lens in the diagram will cause parallel rays of light incident on it . to A)

Question

The lens in the diagram will cause parallel rays of light incident on it . to A) diverge appearing to have come from a focal point B) converge to a focus C) It depends on whether the light is incident on the lens from the left or right. D) None of the above. 10. A light ray travels from medium 1 to medium 2 to medium 3 as shown to the right. For these media: A) n3 -n B) n> n ns ni 30° n2 40° 50° D) Cannot compare ni and ns without knowing n 11·Which of these forms of electromagnetic radiation carries the most energy? A) gamma rays B) infrared C)microwaves D) radio waves E) ultraviolet F) visible light Which of these forms of electromagnetic radiation has the lowest frequency? A) gamma rays B) infrared C) microwaves D) radio waves E) ultraviolet A) 250 B) 400 nm C)475 nm D)544 nm E635 nm would likely correspond to visible light that is green? A) B) C) D) E) F G) 12. F) visible light 13. Which of the following wavelengths of light is not visible to the average human eye? 14. Which of the rays labeled in the diagram to the right

Explanation / Answer

ANSWERS:

1) A

2) C

3) A

4) D

5) A

6) Labelling is cropped in the image

it should be third from the top

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