Derive the formula relating the hair strand thickness, t, angular inclination of the intensity maximum with respect to the horizontal, θ, and wavelength of the laser beam λ.
Q: ine the equivalent resistance between terminals a and b. R1 a 5 Ohms R4 3 Ohms 3750 Ω 2589 Ω 3750 Ω…
A:
Q: Which of the following is true regarding resistors connected in series? O The reciprocal of the…
A: Let the three resistors R1 , R2 and R3 be connected in series The voltage of the supply = V Let the…
Q: What is a mechanical wave? Oscillating magnetic and electric fields A wave that requires a vacuum…
A: Correct option d A wave that requires a medium
Q: A 2002 load receives power from parallel-connected battery cells, as shown in the figure below.…
A:
Q: Light is passing through two media with the first medium having n = 1.5 and the second medium with…
A:
Q: Determine the equivalent resistance between terminals a and b. 10 ohms 10 ohms M 10 ohms b 10 ohms…
A: when resistances are connected in series then equivalent resistance is Req=R1+R2+..............+RnIf…
Q: a 15 ohms 20 ohms 10 ohms 25 ohms 30 ohms b
A:
Q: Which of the following is true regarding resistors connected in parallel? Their equivalent…
A:
Q: A 2002 load receives power from parallel-connected battery cells, as shown in the figure below.…
A: r1 = 1 ohm r2 = 1 ohm Rload = 20 load V1 = 12 V V2 = 12 V
Q: A 2002 load receives power from parallel-connected battery cells, as shown in the figure below.…
A: r1 = 1 ohm , r2 = 1 ohm , Rload = 20 ohm V1 = 12 V , V2 = 12 V Let current i1 flows through the r1…
Q: Determine the equivalent resistance between terminals a and b. 10 ohms a O ww 15 ohms 20 ohms 24…
A: given - circuit to find - equivalent resistance between a and b
Q: An ordinary magnifying glass in front of an erect object produces an image that is: virtual and…
A: An ordinary magnifying glass is convex lens .
Q: Type of interference that occurs at any location along the medium where the two interfering waves…
A: Wave Wave are classified in two forms
Q: Determine the equivalent resistance between terminals a and d. m www 10 ohms 5 ohms www 15 ohms www…
A:
Q: Determine the equivalent resistance between terminals a and b. 5 ohms 10 ohms 15 ohms 20 ohms 25…
A: Circuit Diagram:
Q: A radar antenna is rotating and makes one revolution every 30 s, as measured on earth. However,…
A:
Q: You are camping with two friends, Chris and Tina. Since all three of you like your privacy, you…
A: 2)
Q: Determine the equivalent resistance between terminals a and b. M 10 ohms 10 ohms 10 ohms O b 10 ohms…
A:
Q: the resultant of the loads shown passes through point B, determine the equivalent force-couple…
A:
Q: The motion of a bicycle rider moving in a straight line is shown in the graph below. What would be…
A:
Q: In two source interference, the maximum intensity occurs when a. the wavelength is half of the path…
A: In an interference experiment done with a source of wavelength λ and which gives a path difference…
Q: n resistors are connected in parallel. Which of the following is true regarding the equivalent…
A: When two or more than two resistors are connected in parallel then this combination is called…
Q: A cord that has a mass of 0.79 kg is stretched between two supports specifically 45 m apart. If the…
A: From the given information we will calculate the speed of the wave and then the time requires to…
Q: A piano wire with a mass of 2.75 g and a length of 85 cm is stretched with a tension of 30 N. A wave…
A:
Q: Consider a hemisphere present in a uniform magnetic field. Which of the following is true? a.)…
A:
Q: 2. The gas in a balloon has a volume of 4.00L at 100 kPa. The balloon is released into the…
A: Given: Initial volume (Vi) = 4.00 L Initial Pressure (Pi) = 100KPa Final…
Q: Determine the equivalent resistance between terminals c and d. www www 10 ohms 5 ohms www 15 ohms…
A: Introduction :- Here we see that different values of resistances are connected in a network shown…
Q: A conductor is oriented such that the current / travels from (1, 2, 3) to (1, 2, -2). Which of the…
A:
Q: Which of the following is true regarding parallel-connected resistors? The answer cannot be found on…
A: Introduction: Parallel connection of the resistor:When the resistors are connected in parallel…
Q: For the circuit shown below, determine the power consumed by battery 1's internal resistance.…
A: r1 = 1 ohm V1 = 12 volts r2 = 0.5 ohm V2 = 5 volts R3 = 5 ohm
Q: A wave is made by swinging one end of a string, while the other end is held stationary. Pulling the…
A:
Q: A bat strikes a 0.160 kg baseball. Just before impact, the ball is travelling horizontally to the…
A: Write the given values with the suitable variables. m=0.160 kgu=45 m/sv=60 m/sθ=36.9°Δt=1.75…
Q: In the circuit below, R1 = 7.3 Ω, R2 = 5.8 Ω, R3 = 9.6 Ω, R4 = 4.5 Ω, R5 = 3.2 Ω, V1 = 10.4 V and V2…
A: Current is dependent on voltage between 2 terminals. This is called Ohm's law. More is the potential…
Q: When two resistors are wired in series with a 12 V battery, the current through the battery is 0.36…
A:
Q: The current through a 10-ohm lamp energized by two series-opposing ideal batteries is measured to…
A:
Q: The current through a 10-ohm lamp energized by two series-opposing ideal batteries amperes when the…
A:
Q: Transverse waves on a string have wave speed of 8.00 m/s, amplitude of 0.0700 m, and wavelength of…
A: The wave function describing the motion of transverse wave is given by the following equation y =…
Q: of the following is true? a.) Both steady and time-varying magnetic fields are solenoidal. b.) Only…
A: this is the question about electromagnetic theory so that we can define as below .
Q: Suppose a wave whose expression is given as y(t) = Asin(27Ft), where y is the vertical displacement…
A: Required amplitude(A) of wave
Q: Initially, two resistors R1 and R2 are connected in series. The connection of the terminals of R1…
A: Solution:-
Q: Which of the following term describes the number of cycles that pass by each second? frequency…
A: Required: The number of cycles passed each second is known as
Q: Compute for the normal force. n m₂ Ⓒ = 40.3° A. m2gcos40.3 B. m2gsin49.7 C. m2gtan49.7 D. m2g m₂g T…
A:
Q: The circuit below has a voltmeter that reads 8-V connected, in parallel, to resistor with unknown…
A: Given Voltage across the unknown resistor is V=6 V Current in the circuit is i=3 mA=3×10-3 A We…
Q: Determine the equivalent resistance between terminals c and d. ww M m 10 ohms 5 ohms The answer…
A: Given: The resitsors between cd is given below.
Q: The two structural members, one of which is in tension and the other in compression, exert the…
A:
Q: Given two batteries: one with voltage V and internal resistance r₁; another with also voltage V and…
A: Here two batteries are each with voltage V and their internal resistance are r1 and r2 .
Q: In the given circuit, R₁= 6.00 ohms, R₂ = 3.00 ohms and R3 = 5.00 ohms. The battery has negligible…
A: Given: R1=6 ΩR2=3 ΩR3=5 Ω The current across R1 is 4 A.
Q: Compute for the voltage Vab in the circuit shown below. a- r1 5 Ohms V1 15 V b ww r2 3 Ohms Tiz V2…
A: r1 = 5 ohm, r2 = 3 ohm , r3 = 3 ohm , load resistance = 10 ohm V1 = 15 V , V2 = 8 V , V3 = 3 volts…
Q: Determine the equivalent resistance between terminals a and b. R1 1 Ohm R3 3 Ohms R4 ww 4 Ohms R2 2…
A:
Q: What is the percentage difference of the total resistance of the three resistors R1 = 250 £2, R2 =…
A: We have three resistors of resistances R1=250 ohm, R2=350 ohm and R3=500 ohm which are all connected…
Trending now
This is a popular solution!
Step by step
Solved in 5 steps with 5 images
- Assume that you want to bounce a laser beam off the Moon. Assume the laser beam is TEM9,0 and that the Moon is a distance of 3.8 · 10$ meters from Earth. Calculate the following. (a) Assume that the initial beam waist of a CO, laser running on the 10.6 µm line is 15 cm. How large is the beam waist when the beam hits the Moon? What is the radius of curvature? (b) Assume that the initial beam waist of a CO, laser running on the 10.6 µm line is 1.5 meters. How large is the beam waist when the beam hits the Moon? What is the radius of curvature? (c) Repeat part (a) for an excimer laser operating at 254.0 nm; use the same beam waist. |(d) Repeat part (b) for an excimer laser operating at 254.0 nm; use the same beam waist. (e) From your answers to parts (a-d), speculate on what kind of laser and what type of associated optical system you would want to use in order to optimally bounce a laser beam off the Moon.A uniform beam of laser light has a circular cross section of diameter d = 7.5 mm. The beam’s power is P = 4.9 mW. (a) Calculate the intensity, I, of the beam in units of W / m2. (b) The laser beam is incident on a material that completely absorbs the radiation. How much energy, ΔU, in joules, is delivered to the material during a time interval of Δt = 0.89 s? (c) Use the intensity of the beam, I, to calculate the amplitude of the electric field, E0, in volts per meter. (d) Calculate the amplitude of the magnetic field, B0, in teslas.A cube of ice water (11 cm a side at -15 oC), is placed in a microwave with a beam having E0 = 27.47 kV/melectric field. The microwaves come from one side and will illuminate one side of the cube. The water absorbs theenergy at roughly 82% efficiency. How long will it take to raise the ice water's temperature to room temperature (20oC). Assume that the ice doesn’t exchange heat with the environment during this time.
- Each pulse produced by an argon–fluorideexcimer laser used in PRK and LASIK ophthalmic surgery lasts only10.0 ns but delivers an energy of 2.50 mJ. (a) What is the powerproduced during each pulse? (b) If the beam has a diameter of0.850 mm, what is the average intensity of the beam during eachpulse? (c) If the laser emits 55 pulses per second, what is the average power it generates?A low-power laser used in a physics lab might have apower of 0.50 mW and a beam diameter of 3.0 mm. Calculate (a) the average light intensity of the laser beam, and(b) compare it to the intensity of a lightbulb producing100-W light viewed from 2.0 m.each pulse produced by an argon-fluoride excimer laser used in PRK and LASIK ophthalmic surgery lasts only 10.0ns but delivers an energy of 2.50mJ. (a) what is the power produced during each pulse? (b) if the beam has a diameter of 0.850mm, what is the average instenisty of the beam during each pulse? (c) if the laser emits 55 pulses per second, what is the average power it generates?
- A sodium laser emits a light beam of wavelength 589 nm in air, with a beam diameter of 3 mmand emitted power of 50 mW. Evaluate:i) the wavenumber k0,ii) the angular frequency ω, andiii) the peak amplitude of the electric field E0 in the laser spot (you may assume beam divergencedue to diffraction is negligible).Give the appropriate SI units in each case.He–Ne lasers are often used in physicsdemonstrations. They produce light of wavelength 633 nm and a powerof 0.500 mW spread over a cylindrical beam 1.00 mm in diameter(although these quantities can vary). What is the intensity of this laser beam?Consider a laser beam with this averaged intensity, Savg = 885 W/m^2. [Hint: light intensity S = u c where u is the energy density.] What is the rms magnetic field in the beam? (in T) OA: 6.155x10-7 OB: 8.187x10-7 OC: OD: 1.089x10-6 1.448x10-6 OE: OF: 1.926x10-6 2.562x10-6 OG: 3.407x10-6 OH: 4.531x10-6
- If electric and magnetic field strengths vary sinusoidally in time, being zero at t=0, then E=E0 sin 2πft and B=B0 Sin 2πft . Let f = 1.00 GHz here When do they reach their most negative value?Problem 4: Consider the 100-MHz radio waves used in an MRI device. Part (a) What is the wavelength, in meters, of these radio waves? λ = 3 Part (b) If the frequencies are swept over a ±12.5 MHz range centered on 100 MHz, what is the minimum, in meters, of the range of wavelengths emitted? λmin = Part (c) What is the maximum, in meters, of this wavelength range? λmax =When a powerful laser is employed in the Earth's atmosphere, the accompanying electric field may ionize the air, transforming it into a plasma that reflects the laser light. Electric breakdown occurs in dry air at 0°C and 1 atm when field amplitudes above around 3:00 Mv/m a). At this maximum intensity, how much Power can a cylindrical beam with a diameter of 4.03 mm deliver? Note Answer must be in W.