(b) Determine the following signal is energy or power signal x(n) = 3ej4n

Q: A laser used in eye surgery emits a 3.00-mJ pulse in 1.00 ns, focused to a spot 30.0 µm in diameter…

A: a) The expression to determine the power per unit area is,

Q: A laser provides pulses of EM-radiation in vacuum lasting 10E-12 s. If the radiant flux density is…

A: Given,t=10-12sFlux density =1020W/m2(c) λ=800nmLength of the pulse =ctL=3×108m/s×10-12sL=3×10-4m

Q: A laser has a power output rated 450 mW. If this laser were projected onto a circular spot with a…

A: P=Power of laser=450 mWd=Diameter of beam=400 μmr=Radius=d2=200 μmc=Speed of light=3×108 m/s

Q: 4) How many eV's are created when a frequency of 6.57 e 17 Hz is used?

A:

Q: How come the equation is f0 = Wo/h and not E = hf? Is it because threshold frequency correlates with…

A: f = W/h where W is the work-function of metal , and f is the threshold frequency h is planks…

Q: In a magnetic field with a density of 2T, the calcium line D2_p1 at a wavelength of 732.6 nm is…

A: Given:-  The magnetic field B = 2T  The wavelength λ= 732.6 nm  The frequency f= 286 Hz.  Find:-…

Q: A uniform EM wave. E = 8 Cos (1²-B²) ax - 6 sin (wt-BZ) ay V/m propagates at 40 MHZ. in a lossless…

A:

Q: What is the energy, in eV, of a light wave with a wavelength of 700 nvm?

A:

Q: Rg

A:

Q: he pertubation H'=bz", where b Es a Cous tant one-dimentional harmonc c& cillator potential Vey= fwm…

A:

Q: A laser used in eye surgery emits a 3.60-mJ pulse in 1.00 ns, focused to a spot 45.0 µm in diameter…

A: a. the power per unit area at the retina is

Q: VLSI design is done in top-down manner with adequate computer aided tools to do the job.…

A: VLSI stands for Very Large Scale Integration. The VLSI design follows the top-down approach. The…

Q: Determine whether each of the following waveforms is an energy waveform or a power waveform, and…

A: a As given, w1t=2 sin210πt Since it is a periodic signal, w1t is the Power signal.   The power is,…

Q: d to 2.5kHz X2(t) band-limited to 2.5kHz  X3(t) band-limited to 10kHz     X4(t) = sin 5000 ? t…

A: b) speed of Commutator is 5000 revolutions per second (0r) 5000 samples/ secc) output bitrate =…

Q: How many photons are contained in a beam of electromagnetic radiation of total power 180W if the…

A: Given-180W

Q: What should be the average power of a laser, strong enough to cause a dielectric breakdown of air…

A:

Q: A laser pulse of energy 4 mJ and the pulse duration 1.5 ns is focused on a target of radius 0.02 mm.…

A: The expression for find laser intensity is I=PA=Etπr2=Etπr2

Q: Port-wine birthmarks, which are caused by malformed capillaries close to the skin, can be removed…

A:

Q: A low-power laser used in a physics lab might have apower of 0.50 mW and a beam diameter of 3.0 mm.…

A: The power, P=0.50 mW=0.50×10-3 W   The circular area, S=πr2

Q: 6. To Check the working condition of fuse the knob should be at FEDA

A: A fuse is an electric safety device which use to protect the other devices by overcurrent,  it…

Q: of students measure the intensity of light from a desklamp in Sec. 4.5 of the experiment. When the…

A: Given: The distance of detector from lamp is 25 cm.             The voltage is 0.74 V.  To…

Q: Calculate the following for an eloctromagnetic wave with a wave length of /\=2.73 x 10^-4m: a)…

A: Given: Calculate the following for an electromagnetic wave with a wave length of /\=2.73 x 10^-4m:…

Q: -10r a. Calculate the energy of the following signal : g(t) = 10te

A: The signal is given as : g(t)=10te-10t3           0≤t≤∞ The energy of the given signal is :…