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Use the following scenario to answer the question.

You set up an experiment by placing a laser pointer where its light hits the opposite wall in a marked spot. Your friend then sets up an obstacle in the light beam's path and asks you to use mirrors to redirect the beam around the obstacle, so it hits the wall in the same place.

What is the minimum number of mirrors you could use to do this, assuming the laser pointer must remain still?

(1 point)

A. two
B. three
C. four
D. one

Sagot :

mickymike92

The minimum number of mirrors one could use to redirect the beam around the obstacle, so it hits the wall in the same place assuming the laser pointer must remain still is two mirrors.

What is the minimum number of mirrors one could use to redirect the beam around the obstacle, so it hits the wall in the same place assuming the laser pointer must remain still?

One of the practical applications of plane mirrors is in the construction periscopes.

  • Periscopes are instruments that enables one to see over or around obstacles.
  • Its construction involves two plane mirrors inclined at an angle of 45° to each other.

Similar to the periscope, in the case of the obstacle to the laser beam, two plane mirrors can be used.

One mirror is placed in front of the obstacle at an angle such that the beam is diverted to the second mirror placed at a second position so as to redirect the beam to the point.

Therefore, the minimum number of mirrors one could use to redirect the beam around the obstacle, so it hits the wall in the same place assuming the laser pointer must remain still is two mirrors.

Learn more about about mirrors and periscopes at:

https://brainly.com/question/3952884

https://brainly.com/question/3447867

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