EMS/Light Unit 6 Test Review

What is the range of wavelengths for visible light?

• 380 to 740 nanometers

• 600 to 900 nanometers

• 200 to 800 nanometers

• 100 to 500 nanometers

Which part of the electromagnetic spectrum has wavelengths shorter than visible light?

• Microwave radiation

• Radio waves

• Infrared radiation

• Ultraviolet (UV) radiation

What are the potential health effects of prolonged exposure to ultraviolet radiation?

• Skin damage, including sunburn, premature aging, and an increased risk of skin cancer.

• Enhanced vision

• Decreased risk of skin cancer

• Improved immune system

How are infrared radiation and microwaves similar?

• They are both used for communication purposes.

• They are both forms of ionizing radiation.

• They both travel at the speed of light.

• They both have longer wavelengths than visible light.

What type of electromagnetic radiation has the ability to pass through soft tissues and organs in the body?

• Gamma rays

• Microwaves

• X-rays

• Ultraviolet radiation

What is the primary use of X-rays in the medical field?

• Performing surgery

• Treating infections

• Diagnostic imaging

• Administering anesthesia

Which part of the electromagnetic spectrum is commonly used for communication such as radio and television?

• Infrared wave

• X-ray wave

• Radio wave

• Ultraviolet wave

How do the wavelengths of radio waves compare to the wavelengths of X-rays?

• Radio waves and X-rays have the same wavelengths.

• X-rays have longer wavelengths than radio waves.

• Radio waves have longer wavelengths than X-rays.

• Radio waves have shorter wavelengths than X-rays.

What is the main source of ultraviolet radiation on Earth?

• The sun

• Microwaves

• Light bulbs

• Cell phone towers

How does the energy of electromagnetic waves change as you move from radio waves to X-rays?

• The energy of electromagnetic waves remains constant.

• The energy of electromagnetic waves fluctuates.

• The energy of electromagnetic waves decreases.

• The energy of electromagnetic waves increases.