How does an MRI produce an image?
Q: When the sun is directly overhead, it produces an illuminance of 105,000 lux on a horizontal surface…
A:
Q: Myopia is a vision defect in which O a. near object vision is clear and distant object vision is…
A: Myopia is also called as nearsightedness.
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A: Dear student According to law of refraction or Snell's Law: μ1sini=μ2sinr Here, μ1= Refrective index…
Q: An object is placed in front of a convex lens with a 7.00-cm focal length, If the object distance is…
A: Focal length, f = 7 cm Object distance, u = -15 cm
Q: w²= k/m y = cos (wt) Show that t y(t) dt dy 2E- ky? %3D is equal to: cos'y = wt or y = cos ( wt) %3D
A: Given, ω2 =km y = cosωt From the given information, it can be understood that we need to model the…
Q: (1) If the temperature of the body is 90°C to falls to 70°C in 5 minutes when placed in a…
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Q: Calculate the time delay between an axial ray a ray that enters a 1-km long fiber at an angle of…
A: Given that: Length of the fiber:L=1 km=1000m Refractive index of the core: ncore=1.48 Angle of…
Q: The circumference laser system is 0.3 mm and the distance between the two mirrors is 1.2 m.…
A: LASER stands for light amplification by stimulated emission of radiation. The optical pump is used…
Q: A ray is incident upon a reflective surface at an angle of θi=46.8∘ relative to the direction normal…
A:
Q: A seismic survey is set-up with a source in a borehole, 100m below the surface, and an array of…
A: Answer given below:
Q: A researcher measures the thickness of a layer of benzene (n = 1.50) floating on water by shining…
A:
Q: Earth receives 1400 W/m² of solar power. If all the solar energy falling on a lens of area 0.2 m² is…
A: Earth receives 1400 W/m2 of solar energy, as is known. If all of the sun energy falling on a 0.2 m2…
Q: Source 3 Source 4 40.37 49.81! I 41.67 31.33
A: Let us analyse the question in step 2.
Q: Seeing the following backprojection image b,(x, y) for CT reconstruction, determine the value of the…
A: The angle of the given back projection with the x-axis is, θ=60∘ Thus, the angle of the given…
Q: Problem. Consider the helix R(t) = cos(2t)î + sin(2t)ĵ + 4tk (a) Compute R'(t) and R"(t) (b) Comnute…
A: (a) Given: The equation of helix is R^t=cos2ti^sin2tj^+4tk^. Introduction: The curvature measures…
Q: The filament of the light bulb is cylindrical and has a length of 20mm and a radius of 0.05mm. An…
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Q: What is the focal length of a lens that focuses a real image of an object that is 5 m ahead of the…
A:
Q: A 750-candela light source (a source that gives off 750 lm of luminous flux in one direction) emits…
A: The illuminance can be represented as, Here, I and d represent the light’s intensity and surface’s…
Q: For typical dental radiography, aperture size from X-ray source is 1 mm, object distance is 5 cm,…
A: Given in an X-ray radiography The aperture size from the source or the spot size is f=1mm=0.1cm With…
Q: Assuming a eyepiece field number of 20, what is the field of view (μm) at high power?
A: Ggg
Q: AW-2 Find the difference in phase between two identical waves traveling in the same direction on a…
A: Write the expressions of two identical waves. x1=Acosωtx2=Acosωt+ϕ
Q: 3. A 2 inch diameter AMTIR-5 lens is to be bonded into an aluminum housing using RTV 566, which has…
A: 3. given that,diameter, d=2 inCTE=255poisson's ratio= 0.499
Q: A surface has an average roughness of (10 cm). If the surface is imaged by a radar system operating…
A: Given:- By using the equation of radar smooth H≤λ25 sin…
Q: A student is carrying out an experiment similar to Fizeau's experiment to measure the speed of…
A: Given Data:Distance to the mirror, d=3.20 km=3200 mSpeed of the toothed wheel, v=200 ms−1Width of…
Q: An aerial photograph from a U-2 spy plane is taken of a building suspected of housing nuclear…
A: Introduction Aerial photograph :- An aerial photograph is a photograph taken from an elevated…
Q: ow to get the 3.2I1- 5.38I2=21.8 _____(3)
A: Take equation (2), That is 2.2I1-3.7I2=15 _____(2) Finding: how to get the 3.2I1- 5.38I2=21.8…
Q: (b) What is the pressure increase in the fluid in a syringe when a nurse applies a force of 10 N to…
A:
Q: An SPEC image is taken with a field of view (FOV) of 40 cm (in the x-direction). The image is…
A: (a) pixel size 1) 40cm*1pixel/128pixel = 40/128 = 0.31 2) 40cm* 1pixel /256pixel =40/256 = 0.156 3)…
Q: What is the critical angle (θC) for light emerging form carbon disulfide into air?
A:
Q: •57 A point source of light is 80.0 cm below the surface of a body of water. Find the diameter of…
A:
Q: Wite the following y=Ss+9 polar eqiuation. as a
A: y=5x+9⇒5x−y=−9 Now let x=rcosθy=rsinθ
Q: There is a light source provide 2000 lumens, which illuminates a surface given with a length of 9 m…
A: Given Light intensity L = 2000 lumens Length l = 9m Width w =8m To find Illuminance Solution…
Q: For typical dental radiography, aperture size from X-ray source is 0.9 mm, object distance is 6 cm,…
A: Given: aperture sizealso called as focal spot, f = 0.9 mm = 0.9×10 −3 mobject distance from…
Q: (a) Suppose for a conventional X-ray image that theX-ray beam consists of parallel rays. What would…
A: Given: conventional X-ray image that the X-ray beam consists of parallel rays. What would be the…
Q: In acquiring a sequential CT image, the combination of X-ray tube and detector rotates as one unit…
A: a.) The number of projections needed for the data = 1800 Total angle covered = 360o Angle covered by…
Q: the eilher Apparent position 18 of the sun h# eting and when rising sun From the sun setting to…
A: Given: The diagram is as follows: Introduction: Snell’s law is defined as the ratio of the sine of…
Q: If the object to lens distance is 9 cm and lens to image distance is 29 cm, what is the focal length…
A:
How does an MRI produce an image?
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