Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 2.50 mW. If such a laser beam is projected onto a circular spot 3.00 mm in radius, what is its intensity? Provide the solution: W/m?

Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 2.50 mW. If such a laser beam is projected onto a circular spot 3.00 mm in radius, what is its intensity? Provide the solution: W/m?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Related questions

Q: A point source emits monochromatic electromagnetic waves into air uniformly in all directions. You…

A: Given: Slope of the line is 75 N·m/C.

Q: A helium–neon laser, radiating at 632.8 nm, has a power output of 3.0 mW. The beam diverges…

Q: (a.1) The electric field of a traveling electromagnetic wave is given by: E(z,t) = 100 cos (ax10't…

A: Concept used: Electromagnetic waves consist of electric field and magnetic field. The electric and…

Q: An antenna with power P = 2.2 × 103 W is radiating spherical electromagnetic waves. Consider a place…

A: Power (P)= 2200 W distance of place from antenna (d) = 145 m

Q: Let x and y components of the electric vector of an electromagnetic wave be given by Ex = a₁ sin wt…

A: For electromagnetic wave to be linearly polarized, phase difference between two components of wave…

Q: Two laser beams with wavelengths λ1 = 556 nm and λ2 = 604 nm are aimed at the same point. The…

Q: A monochromatic light source emits electromagnetic radiation uniformly in all directions (isotropic…

Q: 8.2 A plane wave traveling in medium 1 with ef1 = 2.25 is normally incident upon medium 2 with e,2…

Q: A spherical object of radius 10.5 cm is heated to a certain temperature. After examing its emission…

Q: An electromagnetic wave with an electric field amplitude of (2.88x10^2) V/m is incident normally on…

A: The energy delivered by an electromagnetic wave can be calculated using the formula: Eem=12εAE2t…

Q: Problem 3 The electric field intensity of a time-harmonic plane electromagnetic wave is given by…

A: The electric field is E(x,y,z,t)=ax.126sin(109t-6y+8z-0.2) Comparing with E(x,y,z)=E0sin(wt-k.r-ϕ)…

Q: An isotropic point source emits light at wavelength 550 nm, at the rate of 230 W. A light detector…

A: Given Wavelength of light emitted λ = 550 nm Power of the source P = 230 W Distance from the source…

Q: distant galaxy is simultaneously rotating and receding from the earth. As the drawing shows, the…

A: The galactic center is receding from the earth at a relative speed of ug = 2 x 106 m/s. The…

Q: Prove that the group velocity o, of electromagnetic waves in a dispersive medium with refractive…

Q: The GPS network consists of 24 satellites, each of which makes two orbits around the earth per day.…

Q: sider a typical red laser pointer with wavelength 649 nm. What is the light's frequency in hertz?…

A: Wavelength of red laser light is λ=649×10-9 m Speed of light is c=3×108 m/s

Q: * A small rocket of mass 10 kg emits an intense beam of light for propulsion. What must be the…

Q: Suppose that a laser has a power output of 0.41 mW. If the laser projects a circular spot on a wall…

Q: What average intensity does a GPS receiver on the ground, directly below the satellite, receive?…

A: Part(a) What average intensity does a GPS receiver on the ground, directly below the satellite,…

Q: Two starships, the Enterprise and the Constitution, are approaching each other head-on from a great…

A: The separation between the two starships is decreasing at a rate, u = 782.5 km/s Observed…

Q: A plane wave is propagating in vacuum, and its electric field can be expressed as the following: Ē…

Q: In a region of space where gravitational forces can be neglected, a sphere is accelerated by a…

A: The expression for the required acceleration is,

Q: When a high power laber is used in the Earth's an atmosphere the electric field associated with the…

Q: Combing your hair leads to excess electrons on the comb. At what frequency f, in hertz, would you…

Q: An LED with total power Ptot=910 mW emits UV light of wavelength 370 nm. Assuming the LED is 45%…

A: Given, Ptot= 910 mW = 0.910 W Wavelength λ=370 nm = 370*10-9 m Efficiency η = 0.45 Distance r =2.5…

Q: .) Problem 2: The electric field of an electromagnetic wave traveling in vacuum is described by the…

Q: e A typical laser used in introductory physics laboratories produces a continuous beam of light…

Question

Assume the helium-neon lasers commonly used in student
physics laboratories have power outputs of 2.50 mW.
If such a laser beam is projected onto a circular spot 3.00 mm
in radius, what is its intensity?
Provide the solution:
W/m?
--

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A strip of metal foil with a mass of 5.00 × 10-7 kg is suspended in a vacuum and exposed to a pulse of light. The velocity of the foil changes from zero to 1.00 × 10-3 m/s in the same direction as the initial light pulse, and the light pulse is entirely reflected from the surface of the foil. Given that the wavelength of the light is 450 nm, and assuming that this wavelength is the same before and after the collision, how many photons in the pulse collide with the foil?
A dielectric material has an absorption coefficient of 0.25 cm−1. A plate of thickness 3 cm is made from this material, and light with intensity 20 W m−2 is incident on the front. Ignoring reflection losses, calculate the intensity transmitted through the plate.Give your answer as a decimal to 2 d.p.
Write the expression for the electric field E of a 300 MHz LH circularly polarized plane wave propagating in the -ve X-direction in a medium with ɛp. = 3, µ = 1, and σ = 5 (S/m).
Optical tweezers use light from a laser to move single atoms and molecules around. Suppose the intensity of light from the tweezers is 1000 W/m², the same as the intensity of sunlight at the surface of the Earth. (a) What is the pressure on an atom if light from the tweezers is totally absorbed? Pa (b) If this pressure were exerted on a tritium atom, what would be its acceleration? (The mass of a tritium atom is 5.01 x 107 -27 kg. Assume the cross-sectional area of the laser beam is 6.65 x 10-2⁹ m².) m/s²
A solar cooker has a rectangular light collection area of 80 cm X 125 cm. If sunlight of intensity 1.2 kW/m² is incident on its surface at an angle of 60 degrees with respect to the normal, calculate the power collected by the solar cooker. O 0.4 kW 0 1 kW O 1.2 kW O 0.6 kW
An argon gas laser produces a cylindrical beam of light having a cross sectional area A = 4 x 10-6 m². The average power of the beam is P. It is found that the average energy stored in 3 m length of the beam is 30 nJ. What is P? (1 nj = 10-9 J) Hig 30 nW 3 W 6 W
A certain type of laser emits light that has a frequency of 5.0 × 1014 Hz. The light, however, occurs as a series of short pulses, each lasting for a time of 2.9 × 1011s. (a) How many wavelengths are there in one pulse? (b) The light enters a pool of water. The frequency of the light remains the same, but the speed of the light slows down to 2.3x 10% m/s. How many wavelengths are there now in one pulse?
An isotropic point source emits light at wavelength 470 nm, at the rate of 210 W. A light detector is positioned 450 m from the source. What is the maximum rate dB/dt at which the magnetic component of the light changes with time at the detector's location? The speed of light is c = 3 x 108 m/s, and Ho = 47 x 107 H/m. Number 2.98754 UnitsTT/s the tolerance is +/-5%
An AM radio transmitter broadcasts 45 kW of power uniformly in all directions.Randomized VariablesP = 45 kWd = 29 km Part (a) Assuming all of the radio waves that strike the ground are completely absorbed, and that there is no absorption by the atmosphere or other objects, what is the intensity 29 km away? Part (b) What is the maximum electric field strength at this distance, in N/C?
A certain guided wave travels through air with the following magnetic field H=10+ y cos(157x) sin[(67×10° rad/s)t - Bz] [A/m] (0.3) Find the associated and B. There are a couple ways to solve this problem. Note: this is NOT a plane wave, and be sure to understand why. Nevertheless it IS a valid solution of Maxwell's equations. You will see how guided waves like this come about
Consider a typical red laser pointer with wavelength 653 nm. What is the light's frequency in hertz? (Recall the speed of light c = 3.0 × 108 m/s).
Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 0.25 mW.