International General Certificate of Secondary Education (IGCSE) Physics Practice Exam

Individuals can effectively protect themselves from ultraviolet (UV) radiation through various methods, each contributing to reducing UV exposure.

Staying in the shade is a practical step, especially during peak sunlight hours when UV intensity is highest. This approach minimizes direct exposure to UV rays, thereby reducing the risk of skin damage and other harmful effects.

Wearing UV filters, such as sunglasses with protective coatings and clothing made from fabric that blocks UV rays, offers additional defense. These filters can prevent harmful UV radiation from reaching the skin and eyes, providing a barrier that decreases the likelihood of sunburn and other UV-related issues.

Limiting exposure to sunlight, particularly during the times when UV radiation is most intense (usually between 10 a.m. and 4 p.m.), is another effective method. By adjusting outdoor activities to avoid these peak hours, individuals can significantly reduce their overall UV exposure.

Combining all these strategies—seeking shade, using UV-filtering clothing and eyewear, and limiting sun exposure—represents a comprehensive approach to protecting oneself from UV radiation. Hence, choosing all of these strategies as a collective means of protection underscores their complementary nature in promoting safety against UV rays.