A beam of x-ray is incident on bone at an intensity of 10 W/m2. Make plot...

A beam of x-ray is incident on bone at an intensity of 10 W/m2. Make plot with your graphics calculator of the intensity as a function of distance through the tissue for energy levels corresponding to : 200 kV, 100 kV, and 50 kV. Draw all curves on the same axis. Repeat this exercise for muscle tissue and compare the results

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genius_generous answered 2 years ago

Light of wavelength 400 nm and intensity 10^-2 W/m2 is incident on potassium. (a) Estimate the...

Light of wavelength 400 nm and intensity 10^-2 W/m2 is incident on potassium. (a) Estimate the time lag for the emission of photoelectrons expected classically. Assume the typical radius of an atom is 10 ^-10 m. Hint: Relate the light intensity to the work function for potassium. (b) How many photons are incident per second per square meter

In the Figure, a beam of light, with intensity 43 W/m2 and polarization parallel to a...

In the Figure, a beam of light, with intensity 43 W/m2 and polarization parallel to a y axis, is sent into a system of two polarizing sheets with polarizing directions at angles of θ1 = 70o and θ2 = 90o to the y axis. What is the intensity of the light transmitted by the two-sheet system?

A particular beam of light, with an intensity of 440 W/m2, is linearly polarized at an...

A particular beam of light, with an intensity of 440 W/m2, is linearly polarized at an angle of +5.00° to the vertical. You have three polarizers, which have their transmission axes aligned as follows: Polarizer A - the transmission axis is at +19.0° to the vertical; Polarizer B - the transmission axis is at +72.0° to the vertical; Polarizer C - the transmission axis is at +25.0° to the vertical. You will select two of these polarizers, and have the...

A). what is the intensity in W/m2 of laser beam used to burn tissue that, when...

A). what is the intensity in W/m2 of laser beam used to burn tissue that, when 90% absorbed, puts 520J of energy into a circular spot of 2 mm in diameter in 4 s? B). compare this intensity to the average intensity of sunlight (about 1 kW/m2) * *intensity of laser/ avg intensity of sunlight= C). what is the intensity ratio in dB? intensity ratio is?

A horizontal beam of vertically polarized light of intensity 42.0 W/m2 is sent through two polarizing...

A horizontal beam of vertically polarized light of intensity 42.0 W/m2 is sent through two polarizing sheets. The polarizing direction of the first is at 26.0° to the vertical, and that of the second is horizontal. What is the intensity of the light transmitted by the pair of sheets?

A horizontal beam of vertically polarized light of intensity 33.0 W/m2 is sent through two polarizing...

A horizontal beam of vertically polarized light of intensity 33.0 W/m2 is sent through two polarizing sheets. The polarizing direction of the first is at 37.0° to the vertical, and that of the second is horizontal. What is the intensity of the light transmitted by the pair of sheets? W/m2

Laser light is polarized and has an intensity of 10 W/m2. A polarizer is placed in...

Laser light is polarized and has an intensity of 10 W/m2. A polarizer is placed in the path of the laser. The intensity is measured again at 5 W/m2. What is the angle of the polarizer with respect to the initial polarization? A. 15 deg B. 20 deg C. 30 deg D. 45 deg

A. If you have completely polarized light of intensity 196 W/m2, what will its intensity be...

A. If you have completely polarized light of intensity 196 W/m2, what will its intensity be after passing through a polarizing filter with its axis at an 65.1º angle to the light’s polarization direction? B. Find the largest wavelength in nanometers of light falling on double slits separated by 1.77 μm for which there is a second-order maximum. C. The headlights of a car are 1 m apart. What is the maximum distance in kilometers at which the eye can...

Consider an X-ray beam of wavelength 0.1 nm and a gamma ray beam of wavelength 0.00188...

Consider an X-ray beam of wavelength 0.1 nm and a gamma ray beam of wavelength 0.00188 nm. if each is scattered by an angle of 90 degrees by a free electron, what is the compton shift in the wavelength of the rays? in each case also determine the kinetic energy transferred to the recoiling electron and how much of the incident energy in the rays is lost.

An unpolarized, cylindrical beam of light with an intensity of 12000 W/m² and a radius of...

An unpolarized, cylindrical beam of light with an intensity of 12000 W/m² and a radius of 1 cm passes through two polarizing filters that differ in angle by 30° before striking the center of a perfectly reflective square plate that measures 2 cm on a side. Find the force from the radiation pressure

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