Solution Found!
What is the power output of the laser in Problem?A. 1.23
Chapter 31, Problem 90PP(choose chapter or problem)
Problem 90PP
What is the power output of the laser in Problem?
A. 1.23 W
B. 2.39 W
C. 4.80 W
D. 7.16 W
Problem
89. · · A different type of laser also emits 1.49 × 1019 photons per second. If all of its photons have a wavelength of 414.0 nm, is its power output greater than, less than, or equal to the power output of the argon laser in Problem?
Problem
88. Suppose an argon laser emits 1.49 × 1019 photons per second, half with a wavelength of 488.0 nm and half with a wavelength of 514.5 nm. What is the power output of this laser in watts?
A. 1.49 W
B. 5.76 W
C. 5.92 W
D. 6.07 W
Questions & Answers
QUESTION:
Problem 90PP
What is the power output of the laser in Problem?
A. 1.23 W
B. 2.39 W
C. 4.80 W
D. 7.16 W
Problem
89. · · A different type of laser also emits 1.49 × 1019 photons per second. If all of its photons have a wavelength of 414.0 nm, is its power output greater than, less than, or equal to the power output of the argon laser in Problem?
Problem
88. Suppose an argon laser emits 1.49 × 1019 photons per second, half with a wavelength of 488.0 nm and half with a wavelength of 514.5 nm. What is the power output of this laser in watts?
A. 1.49 W
B. 5.76 W
C. 5.92 W
D. 6.07 W
ANSWER:
Solution 90PP
Step 1 of 2
Here, we have to calculate the power output from the laser .
The equation for the power,
Where, - Number of emitted photons.
- Planck’s constant
- Speed of light
- Wavelength of the radiation
