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Periodic table Molecules in 3D

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Refraction through a glass slab: refractive index

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Apparatus controls

Procedure

Precautions

Measure angles from the normal, not from the surface. Use a sharp pencil and keep the slab on its outline. Avoid very small angles, where the percentage error is large.

Readings

Horizontal axis

Vertical axis

Best-fit line

Only readings with the current selections

Your observations

Conclusion

What did the experiment show? Quote your result with its unit.