Photons in a laser beam have the same energy, wavelength and phase due to: * O All photons are the same from any source Each is produced by an emission that stimulates one another The active substance has two quantum energy states O They all come from the same atom

Q: The block of mass 10.0-kg is at rest initially and attached to a spring, and the spring constant is…

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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: The Toad foom hay del Alant on Vanies of minimum. maximum Two capacitics have 10000 KW 35006 Kw…

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Q: Complete the Hooke's Law Experience Report by making use of the accompanying readings in the table…

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A: Given for worker A, the magnitude of the force is 850 N, the angle of elevation is 30° and the…

Q: Q6:The block shown in fig.(3) weighs 5N and is held up by the water jet issuing (20M.) from the…

A: Given that: Weight of the block, W=5N Flow rate,Q=1.6lit/s=1.6*10-3 m3/s Diameter of the nozzle,…

Q: 4- Two series of sound waves, the length of the first (3.5 m) and the second (3.4 m), overlapped, so…

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

Q: erimentalist clai ts, a heat engim R, converts 16

A: GivenQ1=300 BtuT1=900 RW=160 BtuT2=540 R

Q: The wave function for a standing wave on a string of linear mass density p = 0.2 kg/m, is given by…

A: Given, yx,t=0.05sin4πxcos60πt

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: At the surface temperature of the sun T = 5800 k, diameter R = 7 * 10^8 m, and at the average…

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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: A block of mass m = 18 kg is suspended by a cable of negligible mass as shown in the figure below.…

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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…

Q: A car is approaching at a traffic light at a speed of 15 m per second When the light turns red, the…

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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: 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: A Ferris wheel with radius 14.0 m is turning about a horizontal axis through its center (the figure…

A: Given information: The radius of the Ferris wheel (r) = 14.0 m The linear speed of the passengers…

Q: An aeroplane is flying horizontally with a velocity of 216 kmh' and at a height of 1960 m. When it…

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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: 8 A particle is moving along a straight line with constant acceleration from a point A to a point B,…

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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: 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: A toy gun fires rubber pellets (mass = 4.1 grams) at plastic targets (mass = 95 grams). A target is…

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Q: A photographer has a camera with a focal length of 75 mm, in front of which an object is moving from…

A: Given, focal length of camera is f=75 mm

Q: Find the time of 0.5N dynamic force acting on 30 mg of blood of a giving upward with a velocity…

A: Concept: A force is an influence that can alter an object's motion. An object with mass can change…

Q: Which one has a quantum energy and a standard function? And why? An isolated free particle or a…

A: We have to find which has quantized energy and standard wave function a particle on a nano wire or a…

Q: Generalised potential for a system is U (q,4)= (9+ġ)' .corresponding generalised 2 11. force is :…

A: Force on a system is defined as gradient of potential.

Q: Q6- In plaster mold we use plaster as expendable material, what are the additional material use in…

A: The additional material which we used in plaster molding is ,Gypsum , water ,Magnesium oxide .

Q: Three charges Q, is 1 nC located at P(1,0,0), Qa is-2 nC located at P:(0,0,0) and Q, is 1 nC located…

A: We know that the formula of the electric force is given as  F = kq1q2r2 The formula of the electric…