**Topic: Understanding Angles of Reflection Between Two Mirrors****Description:**This example illustrates the behavior of a light ray reflecting off two mirrors and the angles involved to achieve a vertical reflected ray on the second mirror.**Problem Statement:**A light ray is incident on mirror-1 at an angle of incidence \(\theta_1 = 40°\). The question posed is: At what angle \(\varphi\) should the second mirror (Mirror-2) be placed with respect to the horizontal, such that the second reflected ray is vertical?**Diagram Explanation:**The diagram shows:1. **Mirror-1**: Positioned horizontally.2. **Mirror-2**: Positioned at an angle \(\varphi\) from the horizontal.3. The angle of incidence \(\theta_1\) is labeled as 40° where the light ray strikes Mirror-1.4. The first reflected ray from Mirror-1 strikes Mirror-2.5. Mirror-2 is oriented such that the reflected ray from it becomes vertical.**Angles Provided for \(\varphi\):**- \(\varphi = 65°\)- \(\varphi = 60°\)- \(\varphi = 70°\)- \(\varphi = 80°\)- \(\varphi = 75°\)**Question:**What value of \(\varphi\) will allow the second reflected light ray to be vertical?Understanding the principles of light reflection—where the angle of incidence is equal to the angle of reflection—will help deduce the correct angle \(\varphi\).**Answer Choices:**- \(\varphi = 65°\)- \(\varphi = 60°\)- \(\varphi = 70°\)- \(\varphi = 80°\)- \(\varphi = 75°\)**Educational Objective:**Describe the alignment and calculation necessary to achieve a vertical second reflected ray by understanding and applying the laws of reflection.

In order to solve this problem we have to do some geometry.

Answered: A light ray is incident on mirror-1 at…

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