The magnetic field in a light wave has an amplitude of (1.65x10^-1) μT. What is the intensity of this wave? Express your result in W/m² with three significant figures. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer x10
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- the electric field vector of an electromagnetic wave is pointing 60 degrees above the x axis on the xy plane at a given instant. the magnitude of the magnetic field at that instant is 0.4 micro tesla. what is the magnitude of the electric field at that instant? which way is the em wave traveling? at that instant which directions is the magnetic field pointing at? find the poynting vector?please answer the question in the image.What is the energy of light having a frequency of (8.61x10^14)? Answer to 3 significant figures in scientific notation. Unit is case sensitive. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer X10 units
- A point source emits electromagnetic energy at a rate of (9.93x10^1) Joules per second. What is the intensity of the electromagnetic radiation (9.8070x10^0) m from the source? Express your result with three significant figures in mW/m2. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer Hide hint for Question 1 Calculate the wave intensity at the specified distance.The wavelength of light emitted by a krypton laser is 1 = 568.2 nm. What is the frequency of these light waves (in Hz)? HzA microwave oven operates at 2.90 GHz. What is the wavelength of the radiation produced by this appliance? Express the wavelength numerically in nanometers.
- The wavelength of light emitted by a krypton laser is A = 416.0 nm. What is the frequency of these light waves (in Hz)? HzA current of (1.141x10^0) A is used to charge a parallel plate capacitor with square plates. The side of each plate is (6.33x10^1) cm. What is the displacement current through a (1.6770x10^-3) m² area wholly between the capacitor plates and parallel to them? Answer with three significant figures in mA. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer x10The electric field of an electromagnetic wave in a vacuum is Ey =( 23.0 V/m)cos((V/m)cos(( 9.78 ×108)x−ωt), where x is in mm and t is in s. What s the wave's wavelength? Express your answer with the appropriate units. What is the wave's frequency? Express your answer with the appropriate units. What is the wave's magnetic field amplitude? Express your answer with the appropriate units.
- A pulsed laser produces brief bursts of light. One such laser emits pulses that carry 0.400 J of energy but last only 300 fs . Part A What is the average power during one of these pulses? Pav = 1.33x1012 W Submit Previous Answers Correct Part B Assuming the energy is emitted in a cylindrical beam of light 2.10 mm in diameter, calculate the average intensity of this laser beam. ? Iay = W/m? Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part C What is the rms electric field in this wave? ? Erms = V/m Submit Request AnswerA laser has a power of 22.2 W and a beam radius of 0.478 mm. (a).Find.the.intensity of the laser. Enter a number. y defined? What factors affect the intensity of a beam of light? W/m (b) Suppose you were floating in space and pointed the laser beam away from you. What would your acceleration be? Assume your total mass, including equipment, is 74.8 kg and that the force is directed through your center of mass. Hint: The change in momentum is the same as in the nonreflective case. We know that the acceleration of an object is given by Newton's second law. How do we determine the net force acting on the accelerating object in this case? m/s (c) Calculate your acceleration if it were due to the gravity of a space station with mass 1.06 x 10° kg and center of mass 117.1 m away. m/s2 (d) Calculate the peak electric and magnetic fields of the laser. E max N/C B max %3D If you were planning to use your laser welding torch as a thruster to get you back to the station, don't bother because the…