Radiation intensity is a measure of the strength of an electromagnetic wave, such as those emitted by a cell phone. It is typically measured in watts per square meter (W/m^2).
To calculate the radiation intensity of a cell phone, you will need to know the power output of the phone and the distance between the phone and the measuring point. The radiation intensity is calculated using the inverse square law, which states that the intensity decreases as the square of the distance increases. The formula is: I = P/(4πr^2), where I is the intensity, P is the power output, and r is the distance.
The typical radiation intensity of a cell phone 2 inches away will vary depending on the specific model and power output of the phone. However, it is generally considered to be in the range of 0.05 to 1 W/m^2.
There is ongoing debate and research on the potential health effects of cell phone radiation. While the radiation intensity of a cell phone 2 inches away is relatively low, it is important to limit exposure and use caution when using a cell phone.
To reduce your exposure to cell phone radiation, you can use hands-free devices, keep your phone away from your body when not in use, and limit your overall cell phone usage. Additionally, choosing a phone with a lower SAR (specific absorption rate) can also help reduce exposure to radiation.