A 2mW laser beams of wavelength λ = 6×10 cm is focussed on the retina by a human eye lens of focal length f = 2.5 cm and pupil diameter 2 mm. The intensity on the retina will be of the order of (a) 10¹ W/m² (b) 10 W/m² (c) 108W/m² (d) 10²W/m²
Q: The electric component of a beam of polarized light is Ey = (5.18 V/m) sin[(1.07 × 106 m¯1)z + wt].…
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…
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- The electric component of a beam of polarized light is Ey=(5.21 V/m) sin((1.08 x 106 m ¹)z + wt]. (a) Write an expression for the magnetic field component of the wave, including a value for w. What are the (b) wavelength, (c) period, and (d) intensity of this light? (e) Parallel to which axis does the magnetic field oscillate? (f) In which region of the electromagnetic spectrum is this wave? (a) B=(i i (b) Number i (c) Number i )t] ✓) sin[(i si Units Units ×106 ✓ )2 + (Consider an electromagnetic wave with a maximum magnetic field strength of 7.5 × 10-4 T.Randomized VariablesB = 7.5 × 10-4 T What is the maximum electric field strength in the wave in kV/m?A sinusoidal electromagnetic wave propagates in the +x direction through empty space. Its electric field is described by E = (3.56E4 V/m) × sin ((2.06E11 rad/s) t – (687 rad/m) x ) . What is the magnitude of momentum density (momentum per volume) of this electromagnetic wave (in kg/s·m2)?
- The intensity of electromagnetic radiation from the sun reaching the earth's upper atmosphere is 1.37kW/m2. Assuming an average wavelength of 680 nm for this radiation, find the number of photons per second that strike a 2.00 m2 solar panel directly facing the sun on an orbiting satellite.Optical tweezers use light from a laser to move single atoms and molecules around. Suppose the intensity of light from the tweezers is 1000 W/m², the same as the intensity of sunlight at the surface of the Earth. (a) What is the pressure on an atom if light from the tweezers is totally absorbed? Pa (b) If this pressure were exerted on a tritium atom, what would be its acceleration? (The mass of a tritium atom is 5.01 x 107 -27 kg. Assume the cross-sectional area of the laser beam is 6.65 x 10-2⁹ m².) m/s²An argon gas laser produces a cylindrical beam of light having a cross sectional area A = 4 x 10-6 m². The average power of the beam is P. It is found that the average energy stored in 3 m length of the beam is 30 nJ. What is P? (1 nj = 10-9 J) Hig 30 nW 3 W 6 W
- In a dentist's office, an X-ray of a tooth is taken using X-rays. What is the frequency in a vacuum if the wavelength is 4.76x10^-11 meters?A cloud of atoms is excited by a laser pulse and then emits electromagnetic radiation, which is detected by a spectrometer. At the detector, the amplitude of the field is given by: E(t) = E0e-i[omega]0t - t/2[tao], where E0 is a compex constant, while [omega]0 and [tao] are real constants. a) Determine the detected time-dependent intensity I(t) = |E(t)|2. b) Determine the frequency resolved intensity I([omega]) = |E([omega])|2, where E([omega]) = The integral from 0 to infinity of E(t)*ei[omega]t dt. c) Determine the frequency [omega]max where I([omega]) attains its maximum, as well as the full width at half maximum [delta omega], defined by I([omega]max +/_ [delta omega]/2) = (1/2)I([omega]max). d) Sketch the time-dependent and frequency-resolved intensities I(t) and I([omega]). Image attached with the original formattingA 1000 W carbon-dioxide laser emits light with a wavelength of 10μm into a 3.0-mm-diameter laser beam. What force does the laser beam exert on a completely absorbing target?