Activity 1
We observed that when light ray travels from air to the plastic rectangular block, it bends towards the normal.
When the light ray travels from plastic it bends away the normal.
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It is observed that when the angle of incidence is 0 there is no refraction.
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| Angle of incidence 30 degrees. |
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| Angle of incidence 50 degrees. |
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| Angle of incidence 90 degrees. |
Good. However, you can give more details for Activity 2 in your description on difference as the the angle of incidence increases.
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