In your laboratory you trace the path of light rays through ...

CBSE Class 10 Science 2016 Term II Outside Delhi Set 1

Question : 32

Total: 36

In your laboratory you trace the path of light rays through a glass slab for different values of angle of incidence (∠i) and in each case measure the values of the corresponding angle of refraction (∠r) and angle of emergence (∠e).
On the basis of your observations your correct conclusion is :

∠i is more than ∠r, but nearly equal to ∠e
∠i is less than ∠r, but nearly equal to ∠e
∠i is more than ∠e, but nearly equal to ∠r
∠i is less than ∠e, but nearly equal to ∠r

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