Question
Why does red glass allows only the red light to pass through?
Answer
Red glass allows only the red light to pass through because it selectively absorbs all colors of light except red, so the red light is not absorbed and can pass through the glass.
- Q: What is the principle behind the selective transmission of colored glass? A: The principle behind the selective transmission of colored glass is selective absorption.
- Q: Why does red glass appear red? A: Red glass appears red because it selectively absorbs all colors of light except red.
- Q: Why does red glass allow red light to pass through? A: Red glass allows red light to pass through because it does not absorb red light.