TSES 3002 2022 Participation Week 5 Questions and Answers - Merge TSES3002A_TSES3002V [15354_15355]

Dielly. Problem 4- (a) Express 3.6 MJ of energy in terms of Wh. (b) What are the three light sources that we use for lighting? (c) What is the wavelength interval of the spectrum of visible light? Give your answer in the units of Angstrom, nanometer, & micrometer. (d) Suppose that the wavelenght of electromagnetic radiation is 5000 Angstrom. What is the energy of a photon with this wavelenght?

The photo Electric threshold of tungsten is 2300A. The energy of the electrons ejected from the surface by ultraviolet light of wave length 1800A. Calculate K.E.

Explain the  application of different electromagnetic waves: Microwaves          - Microwave Ovens          - RADAR

The power factor of an AC circuit can be found using the formula, Power factor = O a. watts/volt-amperes O b. wattful power/ volt-amperes O c. volt-amperes/watts O d. both a & b

What is the value of the critical frequency of an electromagnetic wave for the D layer, if the electron density is about 400 electron/cm3?

Provide the information to complete the difference between non-ionizing and ionizing radiation. Non-ionizing Radiation Ionizing Radiation Definition Energy ( high or low) Wavelength (long or short) Frequency (high or low) Examples

What is meant by the wavelength, amplitude, -1 ? frequency and polarization of a wave List in order of decreasing wavelength the-2 various regions of the electromagnetic .spectrum A beam of light has wavelength of 650 nm in -3 .vacuum a) What is the speed of this light in a liquid whose refractive index at this wavelength is ?1.47 b) What is the wavelength of these waves in the ?liquid

I've seen this is the formula to calculate the wave frequency in free space. But where is this from?

Choose the correct answer

True or false

Which is the result of a radio wave being absorbed as it crosses materials in Ex. 2.1 - The amplitude of the wave Select one: a. is Cancelled or Null b. Decreases c. Doubles d. Increases

4- For an electromagnetic wave, the distance between five successive crest (peak) is 50 inches, Calculate the frequency (MHz) in free space?

What is the Jones Matrix of a quarter wave plate that is 45° rotated to the horizontal direction? Explain every term.

A few different types of electromagnetic radiation are listed in the table below. Complete the table by ordering these types of radiation by increasing freque wavelength, and energy per photon. For example, select "1" in the second column for the type of radiation with the lowest frequency, "2" for the type of radiation with the next higher frequency, and so forth. type of radiation order of frequency order of wavelength order of energy blue light (Choose one) (Choose one) ▼ (Choose one) olo green light (Choose one) ▼ (Choose one) ▼ (Choose one) Ar microwaves (Choose one) (Choose one) (Choose one) ▼ X-rays (Choose one) ▼ (Choose one) ▼ (Choose one) ▼

How electromagnetic waves help facilitate innovations in telecommunications,etc...

An EM wave travels in free space with electric field component E, 100 e0.866y+0.52) a, V/m Find w and A

An EM wave travels in free space with the electric field component E, = 100 eKO.866v+0.52) a, V/m Determine w and A

The magnetic field strength associated with a plane EM wave is 4 A/m. What will be the corresponding electric field strength if the wave is traveling through free space?

Electromagnetic wave is propagating through a dielectric medium with relative permeability of 2.5 and relative permittivity of 12. What will be the velocity of the electromagnetic wave?

electromagnetic theoryWhat is the solid angle unit? a) radb) mc) srd) s

Example Light wave with A, = 5nm passes into fiber cable with n, = 2.4. Find the wave's speed and wavelength in the fiber. %3D ans: v = 1.25x10% m/s 1 = 2.08 nm

Studying foor test: The spectrum of an astronomical object has 66.12 absorption lines and two emission lines, but oddly it has a flat continuum with no peak wavelength. What kind or kinds of gas might this object have? Explain your answer by referring to Kirchoff's laws of spectroscopy

18.a. How does dispersion affect light pulses in an optical fiber? A. It causes total internal reflection. B. It can cause pulses to be indistinguishable. C. It causes pulses to die off as they travel down a fiber. D. It causes pulses to increase in power as they travel down a fiber. 18.b. Which of the following frequency bands do single-mode optical fibers use for communication? A. L B. C C. S 18.c. What type of cable is presently used to route phone and internet service to homes? A. Patch B. Fiber optic C. Twisted copper D. Coaxial

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