A laser emits a cylindrical beam of light 3.8 mm in diameter. The average power of the laser is 3.0 mW. The laser shines its light on a perfectly absorbing surface. Part A How much energy does the surface receive in 15 s? Express your answer using two significant figures. 17| ΑΣΦ E = Submit Part B Request Answer What is the radiation pressure exerted by the beam? Express your answer using two significant figures. Π ΑΣΦ pressure av = Submit Request Answer ? mJ ? μPa

A laser emits a cylindrical beam of light 3.8 mm in diameter. The average power of the laser is 3.0 mW. The laser shines its light on a perfectly absorbing surface. Part A How much energy does the surface receive in 15 s? Express your answer using two significant figures. 17| ΑΣΦ E = Submit Part B Request Answer What is the radiation pressure exerted by the beam? Express your answer using two significant figures. Π ΑΣΦ pressure av = Submit Request Answer ? mJ ? μPa

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter16: Waves

Section: Chapter Questions

Problem 134AP: (a) What is the intensity of a laser beam used to burn away cancerous tissue that, when 90.0%...

See similar textbooks

Related questions

Q: How much energy is transported across a 1.30 cm² area per hour by an EM wave whose E field has an…

A: Given data: Area A=1.30 cm2 Electric field strength E=36.8 mVm=36.8×10-3 Vm We know that Intensity…

Q: The E field in an EM wave in free space has a peak of 24.7 mV/m. What is the average rate at which…

Q: A laser emits a cylindrical beam of light 2.5 mm in diameter. Part A If the average power of the…

Q: please answer all parts qith explanation During normal beating, a heart creates a maximum…

A: Given, The potential difference ∆V=4.25 mV=4.25×10-3 V The distance over which potential difference…

Q: ▼ Part A How much energy is transported across a 1.30 cm² area per hour by an EM wave whose E field…

A: Part A Given that Electric field strength,Erms=36.8 mV/m=36.8×10-3 V/m Area,A=1.30 cm2=1.30×10-4m2…

Q: ▼ Part A Estimate the radiation pressure due to a bulb that emits 25 W of EM radiation at a distance…

Q: Answer step by step the following question. An electromagnetic wave has the electric field given by…

Q: An electromagnetic wave with frequency 65.0 Hz travels in an insulating magnetic material that has…

Q: Assume the radiation from a heat lamp is monochromatic, with a wavelength of 1.5 μm . I =3.313…

A: Given Data: The intensity of the radiation I=3.313 kW/m2 =3313 W/m2. Wavelength of radiation λ=1.5…

Q: A high-energy pulsed laser emits a 1.1-ns-long pulse of average power 1.5×1011 W. The beam is nearly…

A: Time Power Radius Energy rms value of electric field

Q: A radiowave at 900 MHz is reflected by a concrete ground with a relative dielectric constant of 9…

A: Frequency=900MHz relative dielectric constant=9 conductivity =0

Q: A rocket zooms past the earth at v= 2.0 x 106 m/s. Scientists on the rocket have created the…

Q: How many photons are emitted during 5.0 s of operation of a red laser pointer? The device outputs…

Q: What is the magnetic field amplitude of an electromagnetic wave whose electric field amplitude is 60…

Q: What is the radiation pressure 1.2 m away from a 600 W lightbulb? Assume that the surface on which…

A: The surface absorbs all the radiation. Hence, the radiation pressure is given by: pr=Icwhere, I is…

Q: The amplitude of the B field of an EM wave is 2.4 x 10-7 T. The wave travels in free space ▼ Part A…

A: Since you have posted multiple subparts, we will provide the answer only to the first three subparts…

Q: If you wish to observe features that are around the size of atoms, say 5.5 × 10-10 m, with…

A: We can calculate frequency with given wavelength.

Q: A microwave oven produces electromagnetic radiation in the radio portion of the spectrum. These…

Q: A rocket zooms past the earth at v= 2.0 x 10 m/s. Scientists on the rocket have created the electric…

Q: Q1 The electric and magnetic fields satisfy Maxwell's equations in the free space, if the magnetic…

A: Given, The magnetic field intensity H→=10sin2×106t+5xayA/m

Q: Estimate the radiation pressure due to a 75 W bulb at a distance of 7.8 cm from the center of the…

Q: Unpolarized light with an initial intensity of 32 W/m2 is incident on a perfect polarizing material…

A: Given that---- I0 = 32 W/m2 angle = 45" Question ❓ What is the intensity of light that makes it…

Q: A sinusoidal electromagnetic wave is propagating in a vacuum in the +z-direction. ▾ Part A If at a…

Q: A radio antenna broadcasts a 1.0 MHz radio wave with 25 kW of power. Assume that the radiation is…

A: Frequency (f) = 1 MHzPower (P) = 25 kW

Q: A laser emits a cylindrical beam of light 3.0 mm in diameter. Part A If the average power of the…

A: Given data: A cylindrical beam Diameter (d) = 3.0 mm The average power (Pavg) = 2.0 mW = 2.0 ×10-3…

Q: A pulsed laser produces brief bursts of light. One such laser emits pulses that carry 0.400 J of…

A: a) Given that :The energy of the pulse is 0.400 JTime for the energy pulse lasted is 300 fs

Question

A laser emits a cylindrical beam of light 3.8 mm in
diameter. The average power of the laser is 3.0
mW. The laser shines its light on a perfectly
absorbing surface.
Part A
How much energy does the surface receive in 15 s ?
Express your answer using two significant figures.
—| ΑΣΦ
E =
Submit
Part B
What is the radiation pressure exerted by the beam?
Express your answer using two significant figures.
VE ΑΣΦ
pressure av
Request Answer
Submit
=
Request Answer
?
mJ
?
μРа

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1: To determine the energy and radiation pressure

VIEW

Step 2: a)The energy of the laser beam in time t=15 s

VIEW

Step 3: b) The radiation pressure

VIEW

Solution

VIEW

Step by step

Solved in 4 steps with 4 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 small helium-neon laser has a power output of 2.5 mW What is the electromagnetic energy in a 1.0-m length of the beam?
What are the wavelengths of (a) X-rays of frequency 2.01017 Hz? (b) Yellow light of frequency 5.11014Hz ? (C) Gamma rays of frequency 1.01023Hz ?
An incandescent light bulb emits only 2.6 W of its power as visible light. What is the rms electric field of the emitted light at a distance of 3.0 m from the bulb?
(a) What is the intensity of a laser beam used to burn away cancerous tissue that, when 90.0% absorbed, puts 500 J of energy into a circular spot 2.00 mm in diameter in 4.00 s? (b) Discuss how this intensity compares to the average intensity of sunlight (about) and the implications that would have if the laser beam entered your eye. Note how your answer depends on the time duration of the exposure.
On its highest power setting, a microwave oven increases the temperature of 0.400 kg of spaghetti by 45.0°C in 120 s. (a) What was the rate of energy absorption by the spaghetti, given that its specific heat is 3.76103J/kg.C ? Assume the spaghetti is perfectly absorbing. (b) Find the average intensity of the microwaves, given that they are absorbed over a circular area 20.0 cm in diameter. (C) What is the peak electric field strength of the microwave? (d) What is its peak magnetic field strength?
A 150-W lightbulb emits 5% of its energy as electromagnetic radiation. What is the magnitude of the average Poynting vector 10 m from the bulb?
The potential difference V(t) between parallel plates shown above is instantaneously increasing at a rate of 107V/s. What is the displacement current between the plates if the separation of the plates is 1.00 cm and they have an area of 0.200m2?
Consider regions of the EM spectrum. In order to study the structure of a crystalline solid, you want to illuminate it with EM radiation whose wavelength is the same as the spacing of the atoms in the crystal (0.190 nm). A) What is the frequency of the EM radiation in Hertz? B) In what part of the EM spectrum (radio, visible, etc.) does it lie?
The cylindrical beam of a 12.8-mW laser is 0.940 cm in diameter. What is the rms value of the electric field? answer in V/m*
Assume the radiation from a heat lamp is monochromatic, with a wavelength of 1.5 μm . I =3.313 kW/m^2. a. What is the peak electric field strength, in kilovolts per meter? b. Find the peak magnetic field strength, in microtesla. c. How long, in seconds, will it take to increase the temperature of the 3.95-kg shoulder by 2.00°C, assuming that the shoulder absorbs all the radiation from the lamp and given that its specific heat is 3.47 × 103 J/(kg⋅°C)?
Light with a wavelength of 571 nm is in the visible part of the electromagnetic spectrum. What is the numerical value of the exponent p if 571 nm = 571 x 10² cm? p= Report your numerical answer below, assuming three significant figures.
A0.5 MHz antenna carried by an airplane flying over the ocean surface generates a wave that approaches the water surface in the forme a normally incident plane wave with an electric-field amplitude of 5500 V/m. Seawater is characterized by a dielectric constant of 72, relative permeabity of 1 and conductivity of 4 Slm. The plane is trying to communicate a message to a submarine submerged at a depth d below the water surface. If the submarine's receiver requires a minimum signal ampitude of 0.03 u Vim), what is the maximum depth d to which successful communication is still possible? Answer