Knowee
Questions
Features
Study Tools

In broad daylight, the size of your pupil is typically 3 mm. In dark situations, it expands to about 7 mm. How much more light can it gather?

Question

In broad daylight, the size of your pupil is typically 3 mm. In dark situations, it expands to about 7 mm. How much more light can it gather?
🧐 Not the exact question you are looking for?Go ask a question

Solution 1

The amount of light the eye can gather is proportional to the area of the pupil. The area of a circle (which the pupil is) is given by the formula πr², where r is the radius of the circle.

  1. First, we need to find the area of the pupil in both situations.

In broad daylight, the diameter of the Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.

Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  

This problem has been solved

Similar Questions

The angle of incidence of the light beam on a plane-parallel glass plate 12 mm thick is 60°. How much did the light beam move when it passed through the plate?

Which special component would you use to detect the light levels in a circuit that switches lights on automatically when it gets dark?

1/1

Upgrade your grade with Knowee

Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.