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Activity 4
When the incident ray is looked from the opposite side then the incident ray bends at a certain angle and a new line from a different position on the outline of the glass slab emerges.

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Activity 4 (glass slab)
Observation:-
Through the glass slab the line appears straight but from the top it seems bend.

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umar ,Malik , Rixon , yash.
when we submerge a spoon into water it appears to be bent and magnified
when object kept at different angles opposite angles the object appears to be bend and when kept at straight it appears upright

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Activity 4
Observation:-
The incident ray changes t's angle of the line changes nd 's

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Activity 4:
Materials: a glass slab and 2 pins .
Observation:

Conclusion: light bends when changes medium

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When a pencil is immersed in a glass of water it appears to be bent
This is because in water the light does not move as fast as it does in air, so when light enters the water at a particular angle it is bent, thus making the pencil look bent

Nasir, Jaggu, Steven,

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Activity glass slab.
Obv:- when we look throgh the glass slab we see the line straight but looking from the top we see the line seems bent.

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Materials required:
1.3Glass( with 50,100and 200ml)
2.water
3.spoon
Observation: when we submerge spoon in water at level of 200 ml(approx.)it is visible to us as if it bends

Conclusion:- when we observe it the light goes through different mediums due to which the spoon appears bent or refracted

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When a pencil is immersed in a glass of water it appears to be bent because light cannot move

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Activity:2 coin activity

Observation: when the water was poured in the glass the coin appeared larger than its usual size

Conclusion: the water acts like a lens further magnifying the size of the object