Question

# Draw a figure describing the following. The reflecting surface of two mirrors make an angle of 90∘ with each other. If a ray incident of one mirror has an angle of incidents of 30∘, draw the ray reflected from the second mirror. What will be its angle of reflection?

Solution

## Let r2 be the angle of reflection from the second mirror. From laws of reflection, $\angle {i}_{1}=\angle {r}_{1}={30}^{\mathrm{o}}$ Now, in $∆\mathrm{ABC}$, The angle of reflection of incident ray is 60∘.ScienceGeneral Science -Solutions Standard VIII

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