ɔ. 35 : If the aperture of the objective of a elescope is decreased then its resolving power. increase a) does not change b) (c) becomes infinity (d) decreases
Q: 1. (a) If a single slit produces a first minimum at 15 degrees, at what angle is the second-order…
A:
Q: Determine the loss due to knife-edge diffraction and height of the obstacle required to induce…
A: Given, frequency is, f=1800MHz=1800×106Hz So the wavelength, λ=cf=3×108m/s1800×106s-1=16m distance…
Q: a) Explain the diffraction phenomenan (ustrated below) and propagate the wavefrontts) to explaint by…
A: Huygens's principle: The principle explains that the all the points on a wave front that is…
Q: A small circular opening is used for imaging in a mobile phone (pinhole camera without a lens). The…
A:
Q: 3.Find the angle at which the first diffraction minimum is formed when light of wavelength 632.8nm…
A: Given The wavelength of the light is λ=632.8 nm=632.8×10-9 m. The width of slit is d=0.1…
Q: A microscrope has numerical aperture 1.2 with transparent liquid between object and objective.…
A: Given-Numerical aperture=μ sinα=1.2λ=6000 A0=6×10-7 mTo find-d=?R.P.=?
Q: A point is situated at 6.5 cm and 6.65 cm from two coherent sources. Find nature of illumination at…
A: We need to compute- Nature of illumination at point Q=? The data given- Wavelength λ=5000 A0=5×10-8…
Q: Q6. (a) Justify the following statements with sufficient explanations: i. - Numerical aperture is a…
A: a.(i) Numerical aperture is the measure of confined or collecting of light ability that incident…
Q: The pupil of the eye is the circular opening through which light enters. Its diameter can vary from…
A:
Q: Visible light is incident perpendicularly on a diffraction grating of 208 rulings/mm. What are the…
A:
Q: What is the acceptance half angle of the objective, 0, in degrees? If this objective was used with…
A: The acceptance half angle of the lens=θ The maximum acceptance angle is 2θ The numerical aperture…
Q: When laser light of wavelength 632.8 nm passes through a diffraction grating, the first bright spots…
A: Given: In this question, the given details are, When laser light of wavelength 632.8 nm passes…
Q: The yellow light from a sodium vapor lamp seems to be of pure wavelength, but it produces two…
A:
Q: Suppose a person's eyes have a relaxed power of 50.14 D. Assume a 2.00 cm distance from the retina…
A:
Q: A) a step index fiber (SIF) of core radius and refractive index are Sum and 1.46 respectively. If…
A: 1. A) Numerical aperture can be calculated by using the formula, NA= u1×(2×delta)^1/2 where delta=…
Q: Q1 a) If the absorption coefficient of sea water is 2m¹, and if the eye can perceive light of…
A: Light provides sensation to eyes so we see objects around. When light falls on an object, 3 things…
Q: What is the effect on diffraction pattern due to a single slit if: (i) Slit width is decreased. (ii)…
A: The expression for the relation between the slit width and wavelength of light is given as: nλ=dsinθ…
Q: In a biprism experiment to determine the wavelength of light the distance between the slit and the…
A: Solution Distance between the slit and the eyepiece is 1m Wavelength of light used is 5600A.U.…
Q: Find the separation of two points on the Moon's surface that can just be resolved by a telescope…
A: Diameter of the objective of telescope = D = 5.7 m Wavelength = Distance between the Moon and Earth…
Q: Two wavelengths, 589nm and 591nm, are incident on a grating with 500lines/mm. If a screen is placed…
A: Given that two waves of wavelength 589 nm and 591 nm are incident on a grating with 500 lines/mm.…
Q: Which color of visible light would give the best resolution ina microscope? Explain.
A: Answer: Microscope: A microscope is described as a device that can be utilized to view tiny…
Q: a) what is the with air on b) what is with air thickness of a film of glass (n=1.6) Minimalk both…
A:
Q: Numerical Aperture of a Cladless Fiber. Determine the numerical aperture and the accep- tance angle…
A: Given that refractive index of the core n1=1.46Refractive index of medium n2
Q: 4) Find the minimum angular separation resolvable with 633-nm laser light passing through a circular…
A: There is a fundamental restriction on imaging distant or small objects. This is known as the…
Q: The two headlights of a car are separated by 1.8 m. You are an observer equipped with an infra-red…
A: Find the angular separation of the two sources. D=dθθ=dD=1.8 m9000 m=2.0×10-4 rad
Q: (c) What is the effect on diffraction pattern due to a single slit if: (i) Slit width is decreased.…
A: For single- slit diffraction, y=mλDsλ is wavelength,D is the distance between single slits,s is the…
Q: A vehicle with headlights separated by 1.51 m approaches an observer holding an infrared detector…
A:
Q: For light of wavelength 589 nm, calculate the critical angles for the following substances when…
A: Given: wavelength λ = 589 nm = 589 x 10-9m To Find: the critical angles for the following…
Q: A microscrope has numerical aperture 1.2 with transparent liquid between object and objective.…
A:
Q: dex of refraction for materia Fraction. Determine the speed
A:
Q: Solve ASAP 1) y(m=2) = ? what is the position of the 3rd maximum. 2) d = ? Diameter of mirror/lens?
A: The diffraction patterns resulted from single slit while lights falls on it is called single slit…
Q: A grating with 2000 lines per cm is illuminated with a gas discharge tube. The (5) gas discharge…
A: Given data: The number of lines in the grating per cm, N=2000. The wavelength of the first hydrogen…
Q: 7. The RI of Core and Cladding of an optical fiber are 1.55 and 1.53 respectively. Calculate its…
A: Given , n1 = 1.55 n2 = 1.53
Step by step
Solved in 2 steps
