Some frequencies of ultraviolet light have enough energy to kill bacteria, but do not have enough energy to go through or damage human tissue. Which one of the medical applications below would this type of electromagnetic radiation be most useful?(1 point)
Responses
to sanitize surgical rooms
to sanitize surgical rooms
to remedy errors in vision
to remedy errors in vision
to reconstruct a tooth
to reconstruct a tooth
to target and destroy cancer cells
to target and destroy cancer cells
Are U Sure
I apologize for the incorrect response. The correct answer would be "to sanitize surgical rooms." Ultraviolet light with sufficient energy to kill bacteria can be used to disinfect surgical rooms and other medical spaces, helping to prevent the spread of infections.
A scientist is creating a device for humans to communicate through detectable light. Which waves should the scientist apply from the electromagnetic spectrum?(1 point)
Responses
radio waves
radio waves
visible waves
visible waves
X-ray waves
X-ray waves
infrared waves
visible waves
Is that the answer
Yes, the answer is "visible waves". Visible waves are a part of the electromagnetic spectrum that humans can detect with their eyes, allowing for communication through light signals.
High-energy radiation from the Sun can cause damage to the cells of living things. Earth's atmosphere protects us from much of the Sun's harmful radiation. Which of the following is NOT a type of high-energy radiation that is reflected or absorbed by Earth's atmosphere?(1 point)
Responses
gamma radiation
gamma radiation
microwave radiation
microwave radiation
ultraviolet radiation
ultraviolet radiation
X-ray radiation