Physics 2010 JAMB Past Questions - Question 23: Which of the following has no effect on radiation ?

Correct Answer

A

Explanation

Radiation can refer to different types, such as electromagnetic radiation (like visible light and X-rays) or ionizing radiation (such as alpha, beta, and gamma radiation). The effects of radiation can vary depending on the type and intensity of radiation, as well as the context in which it is encountered. However, in a general sense, no substance or material has absolutely no effect on radiation. All materials interact with radiation to some extent.

For example, in the context of ionizing radiation (alpha, beta, gamma, X-rays), materials can attenuate or absorb radiation to varying degrees. Some materials, like lead or concrete, are very effective at blocking ionizing radiation, while others, like air or water, provide less protection. The specific effect of a material on radiation depends on factors like the radiation type, energy, and the thickness or density of the material.

In the context of electromagnetic radiation (visible light, radio waves, etc.), materials can also have various effects. For instance, glass is transparent to visible light but can block certain frequencies of ultraviolet and infrared light.

Therefore, it is not accurate to say that anything has "no effect" on radiation, as the interaction between radiation and materials is a fundamental aspect of physics and depends on the specific circumstances and types of radiation involved.