Behavior of Colored Light In Water | Science Experiment

by | Jul 17, 2022 | Physics, Experiments

Introduction

In this experiment, we will determine the behavior of colored light in water. To demonstrate this, we will pass light through a stream of water.

Aim

To determine how the stream of water affects the behavior of colored light.

Theory

1. White light is the combination of various light of different wavelengths at the same intensity.

2. To break the white light into its corresponding light, one needs to make it pass through a prism.

Requirements

1. A plastic bottle

2. A duct tape

3. A flashlight

4. A whiteboard

5. Yellow, orange, blue, and green color filters.

6. Notebook

Procedure

Step 1: Take a plastic bottle and create a hole in its base.

Step 2: Cover the plastic bottle with duct tape.

Step 3: Build an apparatus using this plastic bottle, flashlight, color filters (blue, orange, yellow, and green), and a whiteboard.

Step 4: Fill the bottle with water.

Step 5: Pass the light color through the stream of water and hit the whiteboard.

Step 6: Observe the brightness of white color light as it passes through the stream of water.

Step 7: Put each color filter in the apparatus.

Step 8: Observe the brightness of light after passing through different light filter colors and hit the whiteboard.

Step 9: Record your observation on a scale between 1 to 5. 5 is for the white light, which acts as the control.

Behavior Of Colored Light In Water | Science Experiment

Observation

1. In the experiment, we observed that the white color was the brightest of all.

2. Other than the white color, which acted as the control. Yellow was the brightest, then orange and red. And at the end comes a blue color.

Result

1. We concluded that when we pass the white light through a stream of water using different color filters, the brightness of white light slightly decreases than the original light color.

2. All other light colors were less bright than white because the white color constituted various colors. And after filtering out some color, its brightness decreases.

Precaution

1. Take help in building apparatus.

2. You can use different color filters other than green, blue, yellow, and orange.

Conclusion

In this experiment, we have determined the behavior of colored light in water after making it pass through a water stream.

Viva Questions With Answers

Q.1 What was the aim of your experiment?

ANS. We aimed to determine the behavior of colored light in water.

Q.2 Which light was the brightest after passing through the stream of water?

ANS. White-colored light was the brightest as it is made up of all colored lights.

Q.3 Which was less bright than all?

ANS. Blue-colored light was less bright than all.

Q.4 Apart from white, which color was the brightest?

ANS. Yellow

 

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