Question 25
Light and ReflectionA boy looks at the image of an object in a plane mirror. He observes two images, a main bright one and the other faint. The observed images result from
- A.reflection only
- B.refraction only
- C.diffraction and interference
- D.reflection and refraction
Show the answer and explanation
Answer: D (reflection and refraction)
Explanation
A glass mirror has two reflecting surfaces. The faint image comes from the front glass surface; the bright one from the silvered back, which the light reaches only after being refracted into the glass.