# Finding diameter of a bubble when it reaches the surface.

• qspartan570
In summary, the diameter of a bubble when it reaches the surface can vary depending on factors such as the type of liquid, temperature, and surface tension. It can be measured using a ruler, caliper, or image analysis software. The diameter of a bubble can change as it rises due to a decrease in pressure, and finding its diameter can provide valuable information about the properties of the liquid. Other methods for determining the diameter include laser diffraction and measuring the bubble's shadow under a microscope.
qspartan570

## Homework Statement

A scuba diver releases an air bubble of diameter 1.0 cm at a depth of 15 m below the surface of a lake. What will be the diameter of this bubble when it reaches the surface? Assume that the temperature of the bubble remains constant.

## The Attempt at a Solution

Ideal gas law? Do you know how to find pressure at a depth of 15 m?

## 1. What is the diameter of a bubble when it reaches the surface?

The diameter of a bubble when it reaches the surface can vary depending on several factors, including the type of liquid, temperature, and surface tension. However, on average, the diameter of a bubble when it reaches the surface is around 1-3 millimeters.

## 2. How can you measure the diameter of a bubble when it reaches the surface?

To measure the diameter of a bubble when it reaches the surface, you can use a ruler or caliper to directly measure the diameter of the bubble. Alternatively, you can capture a photo of the bubble and use image analysis software to measure its diameter.

## 3. Does the diameter of a bubble change as it rises to the surface?

Yes, the diameter of a bubble can change as it rises to the surface. This is due to a decrease in pressure as the bubble rises, causing it to expand. The change in diameter can also be affected by the temperature and surface tension of the liquid.

## 4. What is the significance of finding the diameter of a bubble when it reaches the surface?

Finding the diameter of a bubble when it reaches the surface can provide valuable information about the properties of the liquid, such as surface tension and viscosity. This information can be useful in various industrial and scientific applications, such as in the production of foams and detergents.

## 5. Are there any other methods for determining the diameter of a bubble when it reaches the surface?

Yes, there are other methods for determining the diameter of a bubble when it reaches the surface, such as using a laser diffraction technique or using a microscope to measure the diameter of the bubble's shadow on a surface. These methods may provide more accurate measurements and can be used for studying smaller or larger bubbles.

• Introductory Physics Homework Help
Replies
3
Views
330
• Introductory Physics Homework Help
Replies
25
Views
2K
• Introductory Physics Homework Help
Replies
5
Views
2K
• Introductory Physics Homework Help
Replies
2
Views
3K
• Introductory Physics Homework Help
Replies
5
Views
4K
• Introductory Physics Homework Help
Replies
21
Views
2K
• Introductory Physics Homework Help
Replies
3
Views
2K
• Introductory Physics Homework Help
Replies
6
Views
2K
• Introductory Physics Homework Help
Replies
6
Views
2K
• Introductory Physics Homework Help
Replies
2
Views
2K