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Cambridge IGCSE Physics practice

Paper 3 structured question: Detection of radioactivity

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Detection of radioactivity

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Paper 3Theory (Core)1 marks

Detection of ionizing radiation is essential in various fields.

Description

Geiger-Müller Counter

A Geiger-Müller counter is a device used to detect ionizing radiation. It consists of a tube filled with gas and electrodes that measure ionization events caused by radiation.

  1. a

    State the function of a Geiger-Müller counter.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Detection of radioactivity

Paper 3Theory (Core)2 marks

Description

Importance of Radiation Detection

Detecting ionizing radiation is crucial for safety in medical, industrial, and environmental applications. It helps monitor exposure levels and ensures compliance with safety regulations.

  1. a

    State two applications of radiation detection.

    Aim for approximately 2 distinct marking points.

    [2]