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College Physics (Urone)
Found in: Page 955

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Short Answer

Propose a way to study the function of the rods alone, given they can sense light about 1000 times dimmer than the cones.

When we reduce light, the effect of the rod cells will increase in our vision.

See the step by step solution

Step by Step Solution

Step 1: Rod cells and cone cells.

The main difference between rod cells and cone cells is that the rod cells are responsible for the vision under low light whereas the cone cells are responsible for the vision under higher light levels.

Step 2: Sensitivity of rod cells and cone cells.

Since rod cells sense light 1000 times dimmer than cone cells, we can study a person’s vision in very dim light.

As we reduce the light, the effect of the rod cells will increase in our vision. So in this condition, we can do a different experiment to see how rod cells affect our vision.

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