Explain the principles of population inversion and stimulated emission and use these conditions to discuss the operating principles of a helium-neon laser.
Q: (b) Explain polymorphism and allotropy with suitable examples.
A: Hey dear I have write the answer . Have a look
Q: Q. 23 Solve : (D3 - 5D² + 8D-4) y = e2x. %3D
A: Given Solve : D3-5D2+8D-4 y = e2x, as following below.
Q: 20 N y 57 N 45° 50 N F 15° What is the net force: Fnet = F₁+F2 + F3. Write your answer as a…
A:
Q: Which of the vectors is the result of P+ Q?
A: Required : Direction of the resultant vector.
Q: Answer question numbers 13, 14 and 15. Thanks❤
A: 13. One of Maxwell's equations,Ampere's Law relates the curl of the magnetic field to the current…
Q: In Figure 1, calculate the magnitude of the net Coulomb force on charge Q2 = +4.0 µC due to charges…
A:
Q: 1. The setup shown by the diagram below was used to calculate the force experienced by a small mass…
A: Given data: The mass of the spherical shell is M The radius of the spherical shell is R Thickness of…
Q: 1. Figure 1 shows a multi-loop circuit. Determine I1, Il2 and Is. 2.5 0 12 V 1.8 Q 2.6 0 10 V Figure…
A:
Q: F= 20N 20°
A:
Q: .. 4.9 A 5.0 N force is applied to a 2.0 kg block on a frictionless surface. The block is initially…
A: Given that:- Mass of block=2kg Force applied on the block=5N
Q: Question 2.6
A: X(t)= at2+bt3 Where, a=1.50 m/s2 and b= 0.05 m/s3 (a) At t=0s , X = X1 (Let) Put t= 0 ,we…
Q: 2. From the following uniaxial data, calculate the Young's modulus and estimate the yield stress…
A: Solution: 2. The Young modulus can be obtained by the slope of stress versus strain curve. The…
Q: 1. A circular loop has radius R and carries current 12 in a clockwise direction. The center of the…
A:
Q: 11) Which of the following represents the power generated by a liquid flowing o of a hole of area A…
A:
Q: Which of the following is true?
A:
Q: Find the tension in each of the three cables supporting the traffic light if it weighs 160 N. 41°…
A: Weight=160N
Q: a.) Determine the equation derived from the EF, = 0. %3D b.) Determine the equation derived from the…
A:
Q: Vectors: Problem 60
A: Answer: As per the given data, To determine the magnitude of the Resultant pull can be done by…
Q: Determine the acceleration of the cable drawn into the motor to make the load B attain a speed of 8…
A: Given, Speed at load, vB=8m/s Time, t=3s Length of string 1, SB+2SB-SC=l13SB-2SC=l1 Time derivative…
Q: Which of the following statement is incorrect? A.î x j = k B.k. j = i C.ĵ · j = 1 D. k x k = 0 A) A…
A:
Q: Find the resultant by head-to-tail method: 3. 120° 80 lb 60 lb
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: An elevator of mass 700 kg descends with an acceleration of 3 m/s^2 over a distance of 12 metres.…
A:
Q: ?What will be the value of F1 10 kN 5 kN + F1 F2 اخترأحد الخيارات a. 15 kN b. 20 kN c. 5 kN d. 10 kN
A: From the given vector diagram of force, there are two known and two unknown forces. The force f1 is…
Q: QUESTION 37 Expanding the definition of an industry will reduce the Herfindahl-Hirschman Index for…
A:
Q: In the figure, four long straight wires are perpendicular to the page, and their cross sections form…
A: Four long straight wire are perpendicular to page.Current, I=26 ALength, a=25 cm Find out - The…
Q: Q.3) Please explain Newton's laws of motion.
A: Newton's laws of motion are a set of three laws in classical mechanics, which together establish an…
Q: QUESTION 10 A spring with spring constant k 70 N/m hangs vertically. If a 2.5 kg mass is now…
A: Write the given values of parameters. m=2.5 kgk=70 N/m Calculate the extension in spring due to…
Q: Can someone solve d, e, f, and g
A:
Q: 30 N 20 N 40 N 45° 250 60° 300 60 N The Forces are in equilibrium. Find force P in newtons P.
A: Split all vectors in their vector components .. Then , equates vectors of both x and y axis .
Q: A) i.,ii.,iii,
A:
Q: If multiple objects move together, you should draw a free body diagrams (FBD) for each object and a…
A:
Q: Which of the vectors is the result of P- Ó? 11 A. B. В. С. D. O D O B
A: Option D
Q: Question 2.7
A:
Q: What is the magnetic flux through the loop shown in the figure below if a = 15 cm? Assume the area…
A: Given: Here, to find the magnetic flux through the loop , if, a=15 cma=15×10-2m. And assume the area…
Q: As a 2.5 kg ball rolls down a ramp, the net force on it is 15 N. What is its acceleration?
A: Given that,Mass : m = 2.5 (kg)Net force : F = 15 (N)Here we need to find the Acceleration : Now,As…
Q: An airplane can fly with an airspeed of 377 mph. Determine the ground speed of the airplane when it…
A: ground speed (GS) is the vector sum of true air speed (TAS) and wind speed (WS). Hence,…
Q: A uniform plank of length L=2.7m and weight W =735N is supported by three ropes as indicated in the…
A: Given information: The symbols have the same meaning as given in the question.
Q: the focal length? OA) O B)
A: Ray optics.
Q: Find (d y/d x)& (d'y/dx²) еУ cosxy 3Dх
A: so,
Q: A narrow coil of 10 turns and area 4 x 10° m²is placed ia a uniform magnetic ficld of flux density,…
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: Car A moving along a horizontal road collides at an intersection with car B moving at 16 m/s at 32'…
A: The given data are listed below with appropriate variables. Here, uB denotes the velocity of a car…
Q: Four small spheres of equal mass m, two with a charge +q, and two uncharged are connected by…
A: Velocity is maximum when electrostatic potential energy is minimum, ie, when the string is straight.
Q: (d) The Stefan Boltzmann constant o is a can be written as ki dimensionless constant a as one.…
A: Dimensional analysis works on the fact that two quantities can be equated only if their dimensions…
Step by step
Solved in 2 steps
