Calculate the numerical aperture of an optical fibre whose core and cladding are made of materials of refractive index 1.6 and 1.5 respectively.

Q: Consider a microscope that uses ultraviolet light of frequency f = 1.05 * 10 ^15 Hz.   f = 1.05 *…

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Q: Light of wavelength 550. nm is used to calibrate a Michelson interferometer. With the use of a…

A: The number of fringe shifts observed is,

Q: Find the critical angle and the Brewster’s angle of light passes from diamond to water?

A: Refractive angle for diamond, nd=2.42 Refractive angle for diamond, nw=1.33

Q: Estimate the pulse broadening per unit length due to multimode step index optical fibre having…

A: SOlution: Given that refractive index of core n1 = 1.5  refractive index ofcladding n2 =  1.48

Q: If the refractive indices of core and cladding are 1.543 and 1.432, estimate the numerical aperture…

A: Numerical aperture of optical fibre cable is given by: NA = sqrt (n1^2 - n2^2) n1 = refractive…

Q: Calculate the following values: NA, acceptance angle, Oc at the core-cladding interface, and A…

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Q: An optical fibre core and cladding refractive indices are 1.555 and 1.542 respectively. Compute its…

A: An optical fibre cable,  Refractive indices of :- Core, n1 = 1.555 Cladding, n2 = 1.542 Numerical…

Q: Is it necessary for a transmitting antenna to be at the same height as that of the receiving antenna…

A: In line – of – sight communication, between the transmitter and the receiver there is no physical…

Q: Fiber end face refracted Rays Fiber Cladding b Аcсеpatnce Reflected ray A Cone ni Fiber Core n,…

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Q: For the optical fiber shown in the figure, find the minimum angle of incidence (0;) that will result…

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Q: Find the critical angle (0critical) at which total internal reflection will occur for the optical…

A: The critical angle can be calculated by taking the inverse-sine of the ratio of the indices of…

Q: For what distance is ray optics a good approximation when the aperture is 3 mm wide and the…

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Q: An optical fibre core and cladding refractive indices are 1.555 and 1.542 respectively. Compute its…

A: Given data The refractive index of the optical fibre core is given as n1 = 1.555 The refractive…

Q: For the optical fiber shown in the figure, find the minimum angle of incidence (0,) that will result…

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Q: Consider a laser beam incident from a medium with indexn1 = 1.5 onto another medium with index n2 =…

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Q: The exact numerical density and refractive indices ofglass can be correlated to ___________ in order…

A: The blank is: frequency of occurence

Q: 8. The RI of Core of an optical fiber is 1.50. If the Acceptance Angle is 15°, Calculate its…

A: Given, RI of core,nf=1.5 Acceptance angle,θ=15°

Q: Using n = VEr , calculate the refractive index n of the materials below. Compare them with the ones…

A: Given relation to calculate refractive index,

Q: An optic fiber is a clear solid tube designed to transmit light pulses in a particular direction. To…

A: Optical fiber work bases on the principle of total internal reflection. Critical angle is the angle…

Q: .A step-index fibre has a numerical aperture of 0.26, a core refractive index of 1.5 and a core…

A: Given data:  Numerical aperture (N.A.)= 0.26 Core refractive index = 1.5 Core diameter = 100…

Q: Find the critical angle (Ortical) at which total internal reflection will occur for the optical…

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Q: Calculate the refractive index

A: Angle of minimum deviation is the minimum angle at which refracted ray is parallel to the base of…

Q: An optical fiber made of glass with an index of refraction 1.50 is coated with a plastic with index…

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Q: The core of an optical fiber has an index of refraction of 1.29, while the index of refraction of…

A: Given data:  Index of refraction of the core (n1) = 1.29 Index of refraction of the cladding (n2) =…

Q: When the D line of sodium light impinges an air-diamond interface at an angle of incidence of 25.0°,…

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Q: What angular resolution can you achieve with your unaided eye?

A: Given, Wavelength, λ=5000°A Dimeter of pupil, D=8mm

Q: Calculate the limit of resolution of a telescope objective having a diameter of 200 cm, if it has to…

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Q: A thin prism of 5° angle gives a deviation of 3.2°. What is the value of refractive index of the…

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Q: The concept of numerical aperture in an optical fiber? O a. Light collection O b. Light polarization…

A: Numerical Aperture in optical fibre gives information about the collection capability of light. In a…

Q: Numerical Aperture of an optical fibre is (57.525). If the refractive index of the cladding of this…

A: Given: Numerical aperture of the optical fibre, α  = 57.525 ° critical angle for cladding, θc =…

Q: The "increases in optical gain" can be achieved by O N1 > N2 O N1 < N2 N1 = N2

A: Explanation: N1 and N2 are the population in the ground state and excited state. Ratio of the…

Q: A parallel beam of monochromatic light of wavelength 500nm passes through a slit of width 0. 5mm.…

A: in this question we determine maximum divergence .

Q: Calculate the refractive index of 7% concentration of glucose solution, when the angle of minimum…

A: Write the relation between the index of refraction and the angle of minimum deviation. Here, n…

Q: The absolute refractive index of any medium is always: A) more than one B) 0 C) 1 D) less than one

A: The absolute refractive index of any medium with refractive index n is given by : n=cv Where c is…

Q: An optical fibre core and cladding refractive indices are 1.45 and 1.44 respectively. Compute its…

A: Given  Refractive index of core n1=1.45 Refractive index of cladding n2=1.44

Q: Calculate the numerical aperture and maximum acceptance angle of a fiber having refractive indices…

A: Given data: Refractive index of core, n1=1.62 Refractive index of cladding, n2=1.52

Q: For light with A = 10-6 m what is the thickness of a coating withn = 1.225 that reduces normal…

A: Given: Wavelength: λ=10-6 m R.I. of the coating n=1.225 R.I. of glass, nGlass=1.5

Q: For the optical fiber shown in the figure, find the minimum angle of incidence (0;) that will result…

A: refractive index of cladding (n2) = 1.46

Q: In ATR-FITR, an IR beam is directed onto an optically dense crystal with a high refractive index at…

A: Ques: In ATR-FITR, an IR beam is directed onto an optically dense crystal with a high refractive…

Q: What is the region enclosed by the optical cavity called? Select one: a. Optical Resonator b.…

A: To define the region enclosed by optical cavity.

Q: Fiber end face refracted Rays n2 Fiber Cladding Accepatnce A Reflected ray Cone a nz Fiber Core n,…

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Q: How is the critical angle related to the refractive index of a medium?

A: The relationship between critical angle and refractive index can be mathematically expressed as –

Q: What a curvature radius has a refracting surface, which divides two media with refractive indexes n…

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Q: A step-index fibre has a numerical aperture of 0.26, a core refractive index of 1.5 and a core…

A: Refractive index =speed of light in vacuum /speed of light in medium

Q: A microscope objective lens has a diameter of 6.8 mm and a focal length of 4.0 mm. For a sample…

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Q: If the refractive indices of core and cladding are 1.543 and 1.432, estimate the numerical aperture…

A: An optical fibre cable,  Refractive indices of :- Core, n1 = 1.543 Cladding, n2 = 1.432 Numerical…