Write your answers as A, B, C, D, E, etc. on the answer page. Any answers not re

Question

Write your answers as A, B, C, D, E, etc. on the answer page. Any answers not recorded on the cover sheet will NOT be counted. Which of the following statements best describes the optical element hide by the black box in the diagram given the behavior of the parallel rays of light incident on it? A) The black box must contain a concave lens. B) The black box must contain a convex lens. C) The black box must contain a concave mirror. D) The black box must contain a contain a convex mirror. E) The black box must contain a plane mirror. Which of the following wavelengths of light is not visible to the average human eye? A) 375 nm B) 433nm C) 544nm D) 605nm E) 700nm Which type of wave is an electromagnetic wave? A) longitudinal B) sound C) transverse D) None of these. For a particular mirror with an object in front of it, the image distance is positive and half the object distance in magnitude. What can be said of the image? A) It is real, upright and smaller than the object. B) It is virtual, upright and smaller than the object. C) It is real, inverted and smaller than the object. D) I, is virtual, inverted and bigger than the object. E) It is real, upright and bigger than the object. Which of the rays labeled in the diagram to the right would likely correspond to visible light that is green?

Explanation / Answer

The balck box must contains the convex lens it is the converging lens it converges the rays to a single point if we put a covex lens on peice of paper then the rays from sun light will burn the paper.

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