Question

3. A ray of light is reflected by three mirrors. What should be


`\alpha \: if \: \beta \ = 35 }^(0) \`
​

Answer 1

35 degrees

Explanation:

The law of reflection states that the angle of reflection equals the angle of incidence, or

`{\theta }_{\text{r}}={\theta }_{\text{i}}`

So, if
`{\theta }_{\text{r}}=35`

So, Angle of incidence will also be equal to 35 degrees.