Question

If '$i$' represents the angle of incidence and '$r$' represents the angle of reflection, then which of the following option(s) is true?

• A. $i={45}^{\circ },r={43}^{\circ }$
• B. $i={42}^{\circ },r={50}^{\circ }$
• C. $i={35}^{\circ },r={35}^{\circ }$
• D. $i={45}^{\circ },r={45}^{\circ }$

Answer 1

Answer: (C), (D)

$i={45}^{\circ },r={45}^{\circ }$

From laws of reflection, we know that the angle of incidence is equal to the angle of reflection.