Answer :
The blue glass filter absorbed most of the red light waves and allowed only the blue light waves to pass through, resulting in the appearance of the rose and the background being different in the two pictures.
What is Light?
Light is a form of electromagnetic radiation that is visible to the human eye. It is a type of energy that travels in straight lines and has both wave-like and particle-like properties. Light is a fundamental part of our world and plays a crucial role in our lives.
Light is produced by the motion of charged particles, such as electrons, and can be emitted by sources such as the sun, light bulbs, and fires. Light travels at a constant speed of approximately 299,792,458 meters per second in a vacuum, which is known as the speed of light.
When Matt took the first picture of the rose on a piece of paper without any filter, the camera captured the visible light waves that were reflected by the rose and the background. The rose appeared bright red because it reflects mostly red light waves and absorbs other colors, and the background appeared white because it reflects all the visible light waves equally.
Learn more about Light from the given link
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Final answer:
Matt's experience with photographing a rose through different filters demonstrates the principles of light wave absorption and filtering. Without a filter, the rose's color is determined by which wavelengths it reflects. With a blue filter, the rose appears black because it does not reflect blue light, while the background appears blue due to the filter allowing only blue wavelengths to pass.
Explanation:
The phenomena described in Matt's experience with photographing a rose through a blue glass filter and without it can be explained by the principles of light wave absorption and filtering. When sunlight, which is composed of all visible wavelengths (colors), falls upon the rose, certain wavelengths are absorbed by the rose petals and others are reflected. The rose appears bright red because its petals absorb the blue, green, and yellow wavelengths of light and reflect the red wavelengths. In the absence of a filter, the white background reflects all wavelengths, appearing white.
However, when a blue glass filter is placed over the camera lens, it acts as a filter for the incoming light, allowing only blue light to pass through. Since the rose does not reflect blue light (it is absorbed), the rose appears black in the photograph because there is no reflection at the blue wavelength that the filter allows. The background appears blue because the white paper reflects all colors, but only the blue wavelengths can pass through the blue filter, hence, only blue light reaches the camera sensor.
