While tracing the path of a ray of light passing through a rectangular

1.	While tracing the path of a ray of light passing through a rectangular glass slab a student tabulated his observations as given below: S.NO.∠i∠r∠eI60∘39∘61∘II50∘36∘51∘III40∘28∘39∘IV30∘20∘31∘ The correct observation is:
Answer» While tracing the path of a ray of light passing through a rectangular glass slab a student tabulated his observations as given below: $\begin{matrix} S . N O . & ∠ i & ∠ r & ∠ e I & 60^{\circ} & 39^{\circ} & 61^{\circ} I I & 50^{\circ} & 36^{\circ} & 51^{\circ} I I I & 40^{\circ} & 28^{\circ} & 39^{\circ} I V & 30^{\circ} & 20^{\circ} & 31^{\circ} \end{matrix}$ The correct observation is:

While tracing the path of a ray of light passing through a rectangular glass slab a student tabulated his observations as given below: S.NO.∠i∠r∠eI60∘39∘61∘II50∘36∘51∘III40∘28∘39∘IV30∘20∘31∘ The correct observation is:

Answer»

While tracing the path of a ray of light passing through a rectangular glass slab a student tabulated his observations as given below:
$\begin{matrix} S . N O . & ∠ i & ∠ r & ∠ e I & 60^{\circ} & 39^{\circ} & 61^{\circ} I I & 50^{\circ} & 36^{\circ} & 51^{\circ} I I I & 40^{\circ} & 28^{\circ} & 39^{\circ} I V & 30^{\circ} & 20^{\circ} & 31^{\circ} \end{matrix}$

The correct observation is:

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While tracing the path of a ray of light passing through a rectangular glass slab a student tabulated his observations as given below: S.NO.∠i∠r∠eI60∘39∘61∘II50∘36∘51∘III40∘28∘39∘IV30∘20∘31∘ The correct observation is:

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