Question

An industrial laser is used to burn a hole through a piece of metal. The average...

An industrial laser is used to burn a hole through a piece of metal. The average intensity of the light is = 2.53 × 109 W/m2. What is the rms value of (a) the electric field and (b) the magnetic field in the electromagnetic wave emitted by the laser?

Homework Answers

Answer #1

PART (a):

Given that: Intensity of light : I = 2.53 x 109 W/m2

Therefore, RMS value of electric field is given by:

------------------------------------------------------------------------------------------------------

PART (b):

Given that: Intensity of light : I = 2.53 x 109 W/m2

Therefore, RMS value of magnetic field is given by:

OR

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
An industrial laser is used to burn a hole through a piece of metal. The average...
An industrial laser is used to burn a hole through a piece of metal. The average intensity of the light is = 3.74 × 109 W/m2. What is the rms value of (a) the electric field and (b) the magnetic field in the electromagnetic wave emitted by the laser?
The light from a red laser pointer has a wavelength of about 600 nm. If this...
The light from a red laser pointer has a wavelength of about 600 nm. If this laser has a power of 0.18 mW, what is the momentum carried by a 1.8-s pulse of this radiation? (in kg · m/s) The magnetic field associated with an electromagnetic wave has an amplitude of 1.6 μT. (a) What is the amplitude of the electric field associated with this wave? (in V/m) (b) What is the intensity of this wave? (W/m2) (c) What is...
A stationary particle of charge q = 2.2 × 10-8 C is placed in a laser...
A stationary particle of charge q = 2.2 × 10-8 C is placed in a laser beam (an electromagnetic wave) whose intensity is 2.5 × 103 W/m2. Determine the maximum magnitude of the (a) electric and (b) magnetic forces exerted on the charge. If the charge is moving at a speed of 3.7 × 104 m/s perpendicular to the magnetic field of the electromagnetic wave, find the maximum magnitudes of the (c) electric and (d) magnetic forces exerted on the...
A stationary particle of charge q = 2.5 × 10-8 C is placed in a laser...
A stationary particle of charge q = 2.5 × 10-8 C is placed in a laser beam (an electromagnetic wave) whose intensity is 2.6 × 103 W/m2. Determine the maximum magnitude of the (a) electric and (b) magnetic forces exerted on the charge. If the charge is moving at a speed of 3.7 × 104 m/s perpendicular to the magnetic field of the electromagnetic wave, find the maximum magnitudes of the (c) electric and (d) magnetic forces exerted on the...
A stationary particle of charge q = 2.4 × 10-8 C is placed in a laser...
A stationary particle of charge q = 2.4 × 10-8 C is placed in a laser beam (an electromagnetic wave) whose intensity is 2.8 × 103 W/m2. Determine the maximum magnitude of the (a) electric and (b) magnetic forces exerted on the charge. If the charge is moving at a speed of 3.7 × 104 m/s perpendicular to the magnetic field of the electromagnetic wave, find the maximum magnitudes of the (c) electric and (d) magnetic forces exerted on the...
A stationary particle of charge q = 2.4 × 10-8 C is placed in a laser...
A stationary particle of charge q = 2.4 × 10-8 C is placed in a laser beam (an electromagnetic wave) whose intensity is 2.3 × 103 W/m2. Determine the maximum magnitude of the (a) electric and (b) magnetic forces exerted on the charge. If the charge is moving at a speed of 3.7 × 104 m/s perpendicular to the magnetic field of the electromagnetic wave, find the maximum magnitudes of the (c) electric and (d) magnetic forces exerted on the...
A stationary particle of charge q = 2.7 × 10-8 C is placed in a laser...
A stationary particle of charge q = 2.7 × 10-8 C is placed in a laser beam (an electromagnetic wave) whose intensity is 2.8 × 103 W/m2. Determine the maximum magnitude of the (a) electric and (b) magnetic forces exerted on the charge. If the charge is moving at a speed of 3.7 × 104 m/s perpendicular to the magnetic field of the electromagnetic wave, find the maximum magnitudes of the (c) electric and (d) magnetic forces exerted on the...
The Sun emits an enormous of energy in the form of light. Even though the Sun...
The Sun emits an enormous of energy in the form of light. Even though the Sun is 150 million kilometers from the Earth, the intensity of sunlight in New York is on average 1300 W/m2. [3 points] Determine how much energy is being emitted by the Sun during each second. As you know, light can be considered an electromagnetic wave; consisting of both an oscillating electric field and an oscillating magnetic field. [6 points] Determine the amplitude of the electric...
A 400-W industrial carbon dioxide cutting laser is capable of cutting 3.0-mm thick steel at a...
A 400-W industrial carbon dioxide cutting laser is capable of cutting 3.0-mm thick steel at a rate of 20 mm/s. Carbon dioxide lasers operate at a wavelength of 10.6 μm. The spot size of the cutting laser is 0.16 mm in diameter and the intensity is uniform in this spot. A.What is the magnitude of the Poynting vector for this laser? Express your answer with the appropriate units. B.What is the magnitude of the rms magnetic field for this laser?...
What is the maximum value of the electric field in an electromagnetic wave whose average intensity...
What is the maximum value of the electric field in an electromagnetic wave whose average intensity is 3.05 W/m2 ? Answer is in V/m
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT