A beam of light travels vertically downward and strikes a horizontal mirror, reflecting directly back vertically upward, as indicated by the black dashed line in the diagram at left. The mirror is now rotated, so that it is 10° away from horizontal, as is the red mirror in the diagram . The incident solid black ray is the same in both cases.a) At what angle from the vertical will the reflected beam (the red dashed arrow) now be seen?b) If the mirror is further rotated until it is 20° from the horizontal, what will be the new angle between the reflected beam and the vertical? ** 4. A beam of light travels vertically downward and strikes a horizontal mirror, reflectingdirectly back vertically upward, as indicated by the black dashed line in the diagram at left.The mirror is now rotated, so that it is 10° away from horizontal, as is the red mirror in thediagram. The incident solid black ray is the same in both cases.?a) At what angle from the vertical will the reflected beam (the red dashed arrow) now10°be seen?b) If the mirror is further rotated until it is 20° from the horizontal, what will be thenew angle between the reflected beam and the vertical?

Answered: A beam of light travels vertically…

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Vectors

Section: Chapter Questions

Problem 3.61AP: Lei A = 60.0 cm at 270 measured from the horizontal. Let B = 80.0 cm at some angle . (a) Find the...

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A beam of light travels vertically downward and strikes a horizontal mirror, reflecting directly back vertically upward, as indicated by the black dashed line in the diagram at left. The mirror is now rotated, so that it is 10° away from horizontal, as is the red mirror in the diagram . The incident solid black ray is the same in both cases.

a) At what angle from the vertical will the reflected beam (the red dashed arrow) now be seen?

b) If the mirror is further rotated until it is 20° from the horizontal, what will be the new angle between the reflected beam and the vertical?

** 4. A beam of light travels vertically downward and strikes a horizontal mirror, reflecting
directly back vertically upward, as indicated by the black dashed line in the diagram at left.
The mirror is now rotated, so that it is 10° away from horizontal, as is the red mirror in the
diagram. The incident solid black ray is the same in both cases.
?
a) At what angle from the vertical will the reflected beam (the red dashed arrow) now
10°
be seen?
b) If the mirror is further rotated until it is 20° from the horizontal, what will be the
new angle between the reflected beam and the vertical?

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