If an underground pipe has a leak in it, state how the amount of radiation detected will change.

If an underground pipe has a leak, the amount of radiation detected can change in the following ways:

1. Increase in Radiation: If the pipe contains radioactive material, a leak would result in an increase in the amount of radiation detected in the surrounding area. This is because the radioactive material would seep into the surrounding soil or water, spreading the radiation.

2. Decrease in Radiation: On the other hand, if the pipe is used to shield an area from radiation (for example, if it's part of a nuclear waste storage facility), a leak could result in a decrease in the amount of radiation detected inside the pipe. This is because the radioactive material would be escaping from the pipe, reducing the amount of radiation inside it.

3. No Change: If the pipe does not contain any radioactive material and is not used to shield an area from radiation, a leak would not affect the amount of radiation detected.

Please note that these are general scenarios. The actual change in radiation levels would depend on various factors, including the type and amount of radioactive material, the size of the leak, the distance from the leak to the detector, and the type of soil or water in the surrounding area.