Jai Ho

Refractive Index - Part 3 - The Reversing Arrow Trick

Jai Ho

Jai Ho

Educational videos and stories

By Dr. Boyd the ChemistFrom BoclipsOctober 25, 2025
More about this video

As part of the “Picture Perfect Chemistry” celebration for National Chemistry Week 2024, Dr. Boyd “The Chemist” explains and demonstrates the effect of the refractive index using a marker, paper, and water in a glass.
0:00 – Introduction
0:16 – What you need
0:26 – Safety
0:33 – Experiment & Explanation
1:19 – Focal Point Visualization

#Experience
#Explainer
#Physical Sciences
#General Science
#Chemistry
#Physics
#Middle and Preparatory
#Upper Primary
#Secondary

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