The semi vertical angle of the cone of the rays of light incident on the objective of a microscope is 20°. If the wavelength of incident light is 6000Å, calculate the smallest distance between two points which can be just resolved.
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A: Given, Critical angle = 29.4° We need to find The angle of refraction =?
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- An x-ray was used to examine a sample of chromium having a BCC crystal structure.Using x-rays having a wavelength of 0.1682 nm, a diffractometer is used. The distorting (010) aircraft is the plane. Chromium has an atomic radius of 0.125 nm. A)Compute the interplanar spacing and Calculate the diffraction angle. Assume second-order of diffraction, n = 2.F: (a) In figure below, a beam of monochromatic light reflects and refracts at point A on the interface between material 1 with index of refraction n₁ = 1.77 and material 2 with index of refraction n₂ = 1.33. The incident beam makes an angle of 50° with the interface. What is the angle of reflection at point A? What is the angle of refraction there? (b) What is the angle of reflection at point B? What is the angle of refraction there? 50° e, ie A 18 721 Tho no ng Air A| 8₂0A prism is made of glass of refractive index /3. The refracting angle of the prism is A. If the angle of mini- mum deviation is equal to A, find the value of A.
- If a liquid with refraction index 1.47 is introduced in the air region between the lens and the glassy surface in the Newton's rings apparatus, the radius of an Nth ring changes from 48 mm by dR... FinddR... Answer:(a) The index of refraction for violet light in silica flint glass is 1.66, and that for red light is 1.62. What is the angular spread (in degrees) of visible light passing through a prism of apex angle 60.0° if the angle of incidence is 45.0°? See figure below. Visible light O Angular spread 0 Deviation of red light B V Screen R (b) What If? What is the angular spread (in degrees) of visible light passing through a prism of apex angle 60.0° if the angle of incidence is 90°?Needs Complete typed solution with 100 % accuracy.
- The critical angle for an air-glass interface is 29.2°. When a light ray in air is incident on the interface, the reflected ray is 100% polarized. What is the angle of refraction of that ray in degrees? (numerical answer only with 3 sig figs please)For light of wavelength 589 nm, calculate the critical anglesfor the following substances when surrounded by a substance with an index of refraction of 1.341 sodium chloride. 74.53° 60.29° 1.23° 1.4° noneThe limit to the eye's acuity is actually related to diffraction by the pupil. What is the angle between two just‑resolvable points of light for a 6.25 mm diameter pupil, assuming the average wavelength of 539 nm? angle between two points of light: ° Take the result to be the practical limit for the eye. What is the greatest possible distance a car can be from a person if he or she can resolve its two headlights, given they are 1.20 m apart? greatest distance at which headlights can be distinguished: m What is the distance between two just‑resolvable points held at an arm's length (0.750 m) from a person's eye? distance between two points 0.750 m from a person's eye:
- White light strikes the left face of a 300-60°-90° glass prism along a normal to the surface (so there is no refraction there). The light moves horizontally through the prism and strikes the right face at an angle of 30.00° to the normal. As the light leaves the prism it is refracted at the right face. DO ALL CALCULATIONS TO 4 SIGNIFICANT FIGURES! What is the DIFFERENCE in the refracted angles for red light (ned = 1.567) and violet (niolet = 1.613)? Find (8, - e,), where e, and e, are the angles of refraction for violet and red light. 313 PMA laser beam is incident at an angle of 30.00to the vertical onto a solution of blood plasma in water. If the beam is refracted to 19.240 to the vertical: What is the index of refraction of the blood plasma solution? Suppose the light is red, with wavelength 632.8 nm in a vacuum. Find: Its wavelength. Its frequency. Its speed in the solution. The critical angle for the blood plasma solution when surrounded by airAnincident ight ray is aimed at the open top of a tank filled with Benzene, kerosene and glycerin. Determine the angle of incidence and refraction of the light at the 1sl and 3d mediums if the angle in the 2nd medium is 20°. The indices of refraction for kerosene and glycerin are 1.39 and 1.46 respectively. What is the index of refraction of the first medium if the light ray travels the first mediumat is 2 x 10° m/s.