Biologists use optical tweezers to manipulate micron-sized objectsusing a beam of light. In this technique, a laser beam is focused to avery small-diameter spot. Because small particles are attracted toregions of high light intensity, the focused beam can be used to"grab" onto particles and manipulate them for various experiments.In one experiment, a 20 mW laser beam is focused to a spot thathas a diameter of 0.82 μm.Part AWhat is the intensity of the light in this spot?Express your answer with the appropriate units.I =SubmitPart BEo =ValueOμASubmitWhat is the amplitude of the electric field?Express your answer with the appropriate units.0Request AnswerμAValueUnitsRequest AnswerUnits*****??

Given data: Power of laser beam, P=20 m W=20×10-3 W Diameter of the spot, d=0.82 μm=0.82×10-6 m

Biologists use optical tweezers to manipulate micron-sized objects using a beam of light. In this technique, a laser beam is focused to a very small-diameter spot. Because small particles are attracted to regions of high light intensity, the focused beam can be used to "grab" onto particles and manipulate them for various experiments. In one experiment, a 20 mW laser beam focused to a spot that has a diameter of 0.82 μm. Part A What is the intensity of the light in this spot? Express your answer with the appropriate units. I= Submit Part B Value Eo = μA Submit Request Answer What is the amplitude of the electric field? Express your answer with the appropriate units. μĂ Value Units Request Answer Units ? ?

Biologists use optical tweezers to manipulate micron-sized objects using a beam of light. In this technique, a laser beam is focused to a very small-diameter spot. Because small particles are attracted to regions of high light intensity, the focused beam can be used to "grab" onto particles and manipulate them for various experiments. In one experiment, a 20 mW laser beam focused to a spot that has a diameter of 0.82 μm. Part A What is the intensity of the light in this spot? Express your answer with the appropriate units. I= Submit Part B Value Eo = μA Submit Request Answer What is the amplitude of the electric field? Express your answer with the appropriate units. μĂ Value Units Request Answer Units ? ?

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

Similar questions

Calculate the intensity of radiation for the surface which has temperature of 200 °C. Select one: a. 792.8 W/m^2 b. 903.8 W/m^2 c. 861.7 W/m^2 d. 1000 W/m^2
A state highway patrol car radar unit uses a frequency of 6.50x10° Hz . Part A What frequency difference will the unit detect from a car receding at a speed of 64.5 m/s from a stationary patrol car? ? Af = Hz Submit Request Answer Provide Feedback
Answer question showing fully all the steps. Solution should be simplified and easy to understand as much as possible!
A sinusoidal electromagnetic wave is propagating in a vacuum in the +z-direction. Part A If at a particular instant and at a certain point in space the electric field is in the +x-direction and has a magnitude of 4.70 V/m, what is the magnitude of the magnetic field of the wave at this same point in space and instant in time? Express your answer in teslas. B = Π| ΑΣΦ ? T
Chapter 35, Problem 033 Your answer is partially correct. Try again. Three electromagnetic waves travel through a certain point P along an x axis. They are polarized parallel to a y axis, with the following variations in their amplitudes. Find their resultant at P. E1 = (3.0 x 10-5 v/m) sin[(2.0 × 1014 rad/s)t] E2 = (6.0 x 10-6 V/m) sin[(2.0 x 1014 rad/s)t + 45°] Ez = (6.0 x 10-6 V/m) sin[(2.0 × 1014 rad/s)t - 45°] E = µV/m ) sin[(l 2.00 x 1014 | rad/s )t + ° (degrees)
The magnetic field of an electromagnetic wave in a vacuum is B₂ = (2.6μT) sin((1.15 x 107) - wt), where x is in m and t is in S. You may want to review (Pages 889 -892). For help with math skills, you may want to review: Rearrangement of Equations Involving Multiplication and Division ▼ Part A What is the wave's wavelength? Express your answer to three significant figures and include the appropriate units. λ = Submit Part B f = Submit Part C MÅ Eo = Value What is the wave's frequency? Express your answer to three significant figures and include the appropriate units. Submit Request Answer μÀ Value Request Answer Units PHμÅ Value Request Answer Units ASSO What is the wave's electric field amplitude? Express your answer to two significant figures and include the appropriate units. 49999 Units ? AWYV ?
Part C You are waiting for a pot of water to boil onthe stove. Your thermometer states that the temperature is 329.15 K (56 ° C). What is the frequency with the most intense radiation from the pot? O 3.41x1012 Hz O 1.55x10-5 Hz O 5.88x1010 O 1.94x1013 Hz O 5.17x10-14 Hz Submit Request Answer Part D In order to decrease the energy of a photon, you would need to O decrease its wavelength. O increase its wavelength. O decrease its speed. O increase its speed. Submit Request Answer
Part A A space probe which is a distance of 2.0x1010 m from a star measures the total intensity of electromagnetic radiation from the star to be 4.5x103 W/m2 If the star radiates uniformly in all directions, what is its total average power output? Express your answer in watts. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Energy in a sinusoidal wave. P= 3.8 • 1025 W Submit Previous Answers Request Answer X Incorrect; Try Again; 9 attempts remaining
C Quiz: 5.6 Comprehensive Fir X For the Sine wave shown below, Figure 2: a. The peak-to-peak value is equal to: b. The peak value is equal to: c. The period of the waveform is equal to: d. The average voltage is equal to: e. The frequency is equal to: https://ecpi.instructure.com/courses/104... A Voltage, V 38°F Mostly cloudy 4 2 0 2 + 11: HAVADI 50 100 150 200 HV 250 VEV E Figure 2 O Search Time, us L
Need help 2
The intensity of electromagnetic radiation from the sun reaching the earth's upper atmosphere is 1.37 kW/m². Part A Assuming an average wavelength of 680 nm for this radiation, find the number of photons per second that strike a 1.90 m² solar panel directly facing the sun on an orbiting satellite. E
H6