What is ultraviolet used for BBC Bitesize?

Ultraviolet light in sunlight can cause the skin to tan or burn and can also damage eyes. Fluorescent substances are used in energy-efficient lamps – they absorb ultraviolet light produced inside the lamp, and re-emit the energy as visible light. UV light is also used for banknote security and disinfecting water.

What are 3 uses of ultraviolet?

UV radiation is widely used in industrial processes and in medical and dental practices for a variety of purposes, such as killing bacteria, creating fluorescent effects, curing inks and resins, phototherapy and suntanning.

Why is UV radiation harmful GCSE?

ultraviolet can damage skin cells and lead to skin cancer and damage the eyes, it can cause skin to age prematurely; X-rays damage cells inside the body.

How does ultraviolet light affect the skin?

Ultraviolet light in sunlight can cause the skin to tan or burn. Fluorescent substances are used in energy-efficient lamps – they absorb ultraviolet light produced inside the lamp, and re-emit the energy as visible light.

What is UV light and how dangerous is it?

Ultraviolet. We cannot see ultraviolet (UV) light but it can have hazardous effects on the human body. Ultraviolet light in sunlight can cause the skin to tan or burn and can also damage eyes. Fluorescent substances are used in energy-efficient lamps – they absorb ultraviolet light produced inside the lamp, and re-emit the energy as visible light.

What is UV light and how is it used?

Fluorescent substances are used in energy-efficient lamps – they absorb ultraviolet light produced inside the lamp, and re-emit the energy as visible light. UV light is also used for banknote security and disinfecting water.

How does UV exposure cause skin cancer?

Exposure to it correlates to an incidence of skin cancer. UV light can penetrate the skin and causes mutations in the DNA of skin cells which could cause them to divide uncontrollably leading to a tumour. These protective measures will prevent UV damage to the skin and reduce the risk of developing skin cancer.