Question

an instrument that detects radiation with electrical surges or pulses is called a ____ counter.

Explanation:

In the field of physics (a subfield of Natural Science), a Geiger counter (or Geiger - Müller counter) is an instrument that detects radiation by producing electrical surges or pulses when radiation interacts with the gas inside it. This is a well - known device for radiation detection, and its operation is based on the ionization of gas by radiation, which leads to electrical signals (surges or pulses).

Answer:

Geiger (or Geiger - Müller)