# Calculus

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* Lab Report: Reflection and Refraction

DATA PROCEDURE A:
Bouncing Light off a Flat Mirror

FLAT MIRROR Angle of Incidence | Angle of Reflection | 24° | 23° | 45° | 45° | 63° | 63° |

DATA PROCEDURE B:
Bouncing Light off a Concave Mirror

CONCAVE MIRROR Angle of Incidence | Angle of Reflection | 18° | 18.5° | 45° | 45° | 64° | 66° |

DATA PROCEDURE C:
Bouncing Light off a Convex Mirror

CONVEX MIRROR Angle of Incidence | Angle of Reflection | 33° | 32° | 45° | 44° | 62° | 60° |

DATA PROCEDURE D:
The Bending of Light by Refraction

REFRACTION: Calculated Index of Refraction, 1.33 INTERFACE 1 — From air into acrylic | INTERFACE 2 — From acrylic into air | Incident angle(in air) | Refracted angle(in acrylic) | Incident angle(in acrylic) | Refracted angle(in air) | 21° | 14° | 16° | 21° | 45° | 32° | 32° | 41° | 63° | 40° | 41° | 63° |

PROCEDURE D:
REFRACTION – Plot of versus from DataStudio, with the Linear Fit.

DATA PROCEDURE E: Observing Dispersion

DISPERSION At the Dispersion Interface(Light traveling from acrylic into air.) | Index of Refraction of Acrylic | Incident angle | Refracted angle(in air) | | | RED light | BLUE light | For RED light | For BLUE light | 20° | 26.3° | 27.9° | 1.30 | 1.37 |

QUESTIONS PROCEDURES A, B, C: Bouncing Light off Mirrors * 1. According to the Law of Reflection, the incident angle and the reflection angle must be the same. Discuss: How well does your experiment show this? Does it matter whether the reflective surface is flat or curved? Why? * The results were very good, all angles where either the same or off by just one or half a degree. It does not matter if the surface is curved. The law of reflection seems to be valid for all surfaces. This is because no matter the surface, the light strikes at a...

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