Question: What is the intensity in W / m ^ 2 of a laser beam used to burn away cancerous tissue that, when 8 7 .

What is the intensity in W/m^2 of a laser beam used to burn away cancerous tissue that, when 87.5% absorbed, puts 472J of energy into a circular spot 2.09mm in diameter in 3.95s?
W/m^2
How many times more intense is this than the maximum intensity of direct sunlight (about 1360 W/m^2)?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Physics Questions!