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 : (a) ∠i is more than ∠r, but nearly equal to ∠e (b) ∠i is less than ∠r, but nearly equal to ∠e (c) ∠i is more than ∠e, but nearly equal to ∠r (d) ∠i is less than ∠e, but nearly equal to ∠r

In your laboratory you trace the path of light rays through a glass sl

1.	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 : (a) ∠i is more than ∠r, but nearly equal to ∠e (b) ∠i is less than ∠r, but nearly equal to ∠e (c) ∠i is more than ∠e, but nearly equal to ∠r (d) ∠i is less than ∠e, but nearly equal to ∠r
Answer» 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 : (a) $∠ i$ is more than $∠ r$ , but nearly equal to $∠ e$ (b) $∠ i$ is less than $∠ r$ , but nearly equal to $∠ e$ (c) $∠ i$ is more than $∠ e$ , but nearly equal to $∠ r$ (d) $∠ i$ is less than $∠ e$ , but nearly equal to $∠ r$