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# Why do objects appear colored?

## 28 Apr Why do objects appear colored?

As always your physics tuition is back. Do you know why an apple or tomato appears red or the grass green, when they are illuminated by the same sunlight? Have you ever given a thought why different objects have different colors? Ever wondered why a red object is red and the blue one blue? You may think of asking this question in your physics tuition. Today in physics tuition, we will see how objects get their color? In fact, the color of an object depends upon the color it reflects.

The sunlight, which appears white, consists of seven colors. These are violet, indigo, blue, green, yellow, orange and red. These seven colors can also be seen in a rainbow. Sunlight can also be separated into seven colors with the help of a prism.

In sunlight, an apple or tomato appears red because it reflects only the red light and absorbs the rest. The grass appears green because it reflects only the green light and absorbs all other colors present in the sunlight. A white shirt seems white because it reflects all the colors of sunlight and a blackboard appears black because it absorbs all the colors of white light and reflects none. To prove this, conduct a simple experiment. Throw red light on a white shirt and you will see that it becomes red. White objects take the color of the light falling on it. Similarly, if we see an apple in red or white light it will appear red, but in green or blue light it would become black. It cannot reflect any other color, but red and, therefore, looks black in any other color except red or white. This is how the various objects get their color. We hope you enjoyed this lesson from physics tuition. We will be back with more such interesting findings in our next physics tuition.

Science has various branches. The most important ones are Physics and Chemistry. Science is a subject that tells us about the whole planet and the things in it that are surrounding us. But Science demands the curiosity of the learners to know about the unknown. Science has an explanation for everything, but to learn Science with the effectiveness it is necessary to question the various explanations of Science and only by this fundamental way, the true fun of Science will be revealed. Join our innovative classes in Science where learning is guaranteed to be fun-filled. We offer innovative classes of A level physics tuition, O level physics tuition, JC physics tuition in Singapore.