Calculate the magnitude of the loss in a 20 cm long laser resonator containing an active substance whose inverse count density is (2*10^19cm^-3) and the transmission cross section is ( 1.5*10^-19 cm^2)

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Q: spring has static equilibrium the weight is given suddenly an initial velocity of (50 cm/sec)…

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Q: 48. A particle of m moves along x axis under the action of a foce J. Its motion is described by the…

A: F=-2kx3f=-dvdx=2kx3v(x)=2k∫dxx3=-kx2 KE=12mv2=12mdxdt2

Q: (b)Given the shown v-t diagram (1) construct a-t and s-t diagram (1I) Using diagrams, find total…

A: Given: v-t diagram

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A: Given information: The wave length of the waves: λ1=3.5 mλ2=3.4 m The beats heard per sec (nb) =…

Q: Q4:-Find the kinetic energy of a proton whose de Broglie wavelength is 1.00fm= 1.00x10-15 m. [rest…

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Q: Problem 1: (a) Derive the relation of the shortest wavelength limit of X-rays generated with the…

A: (a) X-rays are commonly produced  by accelerating electrons through a potential difference (a…

Q: Two strings, A and B, have respective mass densities µA and µB respectively. The linear mass…

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Q: The speed of sound in water, which has a bulk modulus of 2.1x10^9 N/m^2 at zero degrees Celsius, is:

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Q: The block start from rest moving from A in the frictionless path. find: a) The speed at B. b) The…

A: Initial Height H = 4R Initial velocity = 0

Q: A long, straight metal rod has a radius of 6.00 em and a charge per unit length of 26.2 nCm. Find…

A: Given data: -  The radius of the straight metal rod is R = 6.00 cm. The charge per unit length is λ…

Q: 1- Work done by friction (a) increases kinetic energy of body (c) increases potential energy of body…

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Q: What is the relationship between the reciprocal lattice and Bragg's law? prove that Bragg's law is…

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Q: need the answer quickly

A: Consider a uniformly charged sphere of radius R having a charged q, The energy of this sphere is…

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Q: Points A (at (2, 3) m] and B [at (5, 7) m] are in a region where the electric field is uniform and…

A: The potential difference is defined as V = E→.dr→

Q: Determine the coefficient of linear expansion if the length of metal change from 10- 10.02 m and the…

A: 1. Given Length of metal change = 10 - 10.02 m Temperature                   = 30 - 80 K

Q: 2.21 and 2.22 Drtermite the x and y cmpowits of eacli of the forces shown. 120N 60 Ib 80 N 100N 30…

A: Given, Force vectors in x-y plane.

Q: Q1\Given two vectors P=2ax-ay + 3a, and Q = 4ax +3ay + 3a, find 1- a unit vector perpendicular to…

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Q: Problem no1: Canon located on the tower at the sea side has fired the canon-ball of weight 15 kg…

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Q: Q2/(1) If a-i+2j- 3k and 5 4i+7k, then 2d+35 in zerms of i, j, and k is Ji + 2j +4k. 3M (a) True,…

A: Given  Vector a = i + 2 j - 3k Vector b = 4i + 7 k We have to find vector  2a + 3b in terms of i, j…

Q: The kinematic equation of a material point motion has the form x = A + Bt + Ct², where

A: The position of particle is x=A+Bt+Ct^2   =1.7+5.6t+3.1t^2

Q: 5. A particle of mass M = 102" Kg decays, while at rest, into a particle of mass m = 4x 10-28 %3D Kg…

A: Given a particle of mass M=10-27kg =10×10-28kg decays into a  particle of mass  m=4×10-28kg

Q: 43. The pnrabolic coordinates (.n) are related to the Cartesian coordinate (x, y) by x = En and y…

A: Given: x=ξηy=ξ2-η2

Q: 06 what we mean by conservation of angular momentum for system of particle motion?

A: It is asked conservation of angular momentum for system of particle motion:

Q: 2. A pipe with a radius of 2 cm is connected to another pipe with a radius of1 cm. If the velocity…

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Q: Q2) If the volume charge density in space is specified as -20*Epsilon_not*sqrt(y) MC/m^3;where the…

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Q: The apple falls from the height of 380 m, the time of its flight and speed when it reaches the land.…

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Q: Does the laser beam from the laser device degrade when passing through a glass prism?

A: Laser beams are considered as monochromatic beams .