JAMB - Physics (2025 - No. 78)
One of the following is not a radiation detector
Electrophorus
Scintillation chamber
Geiger muller counter
Film badge
स्पष्टीकरण
A. Electrophorus. It generates static electricity via induction and is not a radiation detector. The others are:
Scintillation chamber: Detects radiation via light flashes.
Geiger-Muller counter: A gas-filled detector for ionizing radiation.
Film badge: Records cumulative radiation exposure on photographic film.