Calculate the temperature that allows the stimulated emission rate to exceed the spontaneous emission rate for the system to emit radiation with a wavelength
Q: In a 2D loading a body is subjected to principle stresses 120 MPa and -150 MPa. The FOS as per…
A: Given, Principal stresses =120 MPa & -150 MPa, Yield stress=250 MPa, Poisson's ratio=0.25, FOS…
Q: Find the total force necessary to give an automobile of mass 120 slugs an acceleration of 11.0…
A: Given : Mass (m)=120slugs=1751.268Kg Acceleration (a)=11ft/s2=3.3528m/s2 To find: Force (F)
Q: A 4.0-cm-tall object is placed 16.0 cm from a diverging lens having a focal length of magnitude 16.0…
A:
Q: A 6.38 kg block on a hill is released from rest. The surface is frictionless and the block is going…
A: We are given that a block is released from some height. We are given final speed of block. We apply…
Q: : The equation of a simple harmonic progressive wave on a stretched string is y = sin π (20 t - 2x)…
A: We have to find-(i) Frequency (n)=?(ii) Wavelength (λ)=?(iii) Velocity of wave (V)=?The data given…
Q: An RC circuit has an emf given (in volts) by 400 cos 2t, a resistance of 100 ohms, and a capacitance…
A:
Q: on Question 5 5. The path of a satellite orbiting the earth causes it to pass directly over two…
A:
Q: A 100 m long cable with a cross-sectional area of 1.0 mm² stretches by 5.0 cm when a force of 1,000…
A: Given data, Length of cable l = 100 m. Cross sectional area A=1 mm2=10-6 m2. Amount of cable…
Q: Which of the following is the correct increasing order of the speed of the color components of the…
A: As we know that the velocity (v) of light is the product of frequency (f) and wavelength (λ) of the…
Q: Use the trial functions A 4₁ (α, x) = x² + a² and 4₂ (B,x) = Bx (x² + B²)² to obtain estimates for…
A: Given that, trial functionsΨ1(x) =Ax2+α2Ψ2(x) =Bx(x2+β2)2Energy of harmonic oscillator First we need…
Q: Question 9: Now imagine that after the GMT has started operation in 2036, its planet imager…
A: Step 1: Given: Orbital period of the planet(P) = 17.2 yr = 2.27×108s Semimajor axis a=5.3 AU =…
Q: You are standing on the shore of a lake. You spot a tasty fish swimming some distance below the lake…
A: I am standing on the shore is observing the fish at the apparent depth which is less than the real…
Q: want to lower a suspended load in a controlled way so that it hits the ground with a speed whose…
A: Solution: Let T be the tension in the string, Then according to Newton's second law of motion for…
Q: A boulder is rolling down a hill at 8.00 m/s before it comes to rest 17.0 s later. What is its…
A: We have to find the average velocity of the boulder. We know that initial velocity of the boulder is…
Q: Which of the following statements is/are TRUE about the induced electric field? 1. It is produced by…
A: Given is the induced electric field
Q: : A sonometer wire is in unison with tuning fork when stretched by a weight o specific gravity 9 on…
A: We need to compute-Frequency of fork (n)=?The data given as-Specific gravity=9n1-n2=5
Q: A ball rolling along a straight line with velocity 0.35 m/s goes from x=2.1 m tox=7.3 m. How much…
A: We have to determine the time taken by a ball rolling along a straight line.
Q: The capacity of a parallel plate Condenser is 12 μF. Its capacity, when the separation between…
A:
Q: Red light is incident in air on a 30° -60°-90° prism as shown. The incident beam is directed at an…
A: 4. Solution: Applying snell law at the incident interface of light. sinφ1=μsinr1since, φ1+r1=30°For…
Q: 10.6 A screw jack with a 1-in. double-thread Acme screw is used to raise a load of 10,000 lb. A…
A: Step 1: Given: Weight (W)= 10,000 lb Collar diameter(dc)= 2.0 in Coefficient of friction for the…
Q: Consider a monochromatic electromagnetic plane wave propagating in the x direction. At a particular…
A:
Q: An infinitely long, straight cable is made out of a cylindrical core with radius a, surrounded by a…
A:
Q: Q4. A man throws a 0.2 kg ball horizontally towards a wall. The ball leaves the man's hands with a…
A:
Q: 1. Determine the resultant vector, R, given the vector diagram. 2. Determine the resultant vector,…
A:
Q: A gas is allowed to expand into an empty chamber that doubles the volume it occupies (free…
A: Given: There are Ω0 states and 10 particles before the expansion. Volume after the expansion…
Q: A football is kicked at an angle of 30° with a speed of 20 m/s. To the nearest second, how long will…
A: We have to find the time taken by the ball to stay in the air.
Q: Light with wavelength 600 nm is incident in air on an interface that separates r which is air and…
A: Given Angle of incident is theta1=60 Angle of refraction is theta 2=30
Q: Consider a quantum system with three states and a Hamiltonian given by 1 2ε 0 Â = H₂| 2ε 1 3ɛ .0 3ɛ…
A: H^=H012ε02ε13ε03ε4When ε = 0H^=H0100010004H^=H0000H00004H0Now we need to calculate eigen…
Q: 1.A ball is thrown with an initial upward velocity c m/s. What is its velocity after 1.5 seconds,…
A: When ball moves upward velocity will be positive and when ball falls downward velocity will be…
Q: (a) Find the Fourier series of the function f(x) = x²,0 ≤ x < L with period L. (b) Use the previous…
A: Given: f(x)=x2 0≤x<Lfx+L=f(x)
Q: In the figure, bar AB has a mass of 50 kg, and is supported at rest by cords AC and BD. If we cut…
A:
Q: Hockey players "Betty" and "Sally" collide as they race to reach the hockey puck. The figure shows…
A:
Q: A gannet is a seabird that fishes by diving from a great height. If a gannet hits the water at 32…
A: We have to determine the gannet's dive. We know that a gannet hits the water at 32 m/s.
Q: Show that the eigen functions of the Hamiltonian operator are orthogonal and its eigen values are…
A: Hermitian Operators:An operator is said to be Hermitian if it satisfies: A†=ASuppose |am> be the…
Q: Any process used to keep time will appear to happen more slowly in a moving object, when seen by an…
A: Option 1st and 3rd are correct option. Option 1 - Any process used to keep time will appear to…
Q: Question 3 and 4
A:
Q: In a game of freeze, a person freezes into a position shown below. As a percentage of total body…
A: Given:total mass of the body, m = 75 kgpercentage distribution of mass is,head: 10%arms: 10%trunk:…
Q: A generator connected to an RLC circuit has an rms voltage of 150 V and an rms current of 39 mA ▼…
A: Given: The Voltage value is V=150V. And the current is I=39 mAI=39×10-3A Then the resistance and…
Q: Baby M is inside a room that has two flat mirrors on opposite walls. He is 1 m from the mirror on…
A:
Q: In a double-slit interference experiment, interference fringes are observed on a distant screen. The…
A: When the width of both slits is doubled without changing the separation between their centers, what…
Q: COMPLETE WITH FBD STEP BY STEP 2. A 15.0-kg load of bricks hangs from one end of an inextensible…
A:
Q: Suppose the force of 30.0 N pushes on two boxes of unknown mass. We know however, that the…
A: Given that the applied force is 30 N, the contact force is 4.45 N, and the acceleration is 1.20…
Q: If you make multiple measurements of your height, you are likely to find that the results vary by…
A: The height of a guy in feet and inches must be converted into metres with significant figures.
Q: Which statements are true? Select those that apply. A photon has spin angular momentum…
A: We are well known that electromagnetic radiation shows dual nature. The quanta for these radiations…
Q: What is the actual measured mass (in amu) of europium-151 if its binding energy is 5.23 MeV per…
A: Binding energy per nucleon B = 5.23 MeV Mass of proton mp = 1.0073 amu Mass of neutron mn = 1.0087…
Q: A 100-Watt bulb draws 0.833 A and a 200-Watt bulb draws 1.667 A when connected across a 120-V…
A: Given data, Power rating of 1st bulb P1=100 W. Current rating of 1st bulb i1=0.833 A. Power rating…
Q: G H, = 0.20 44₂ = 0.15 R=0.5 ft P= 40 lb X
A: Here, disk is acted upon by force P. But due to kinetic friction there will be a negative frictional…
Q: A Transformes has 200 turns on the primary side and on the secondary condary 20,000 Turns side If…
A:
Q: A space probe is carried by a rocket into outer space. A friend wonders what keeps the probe moving…
A: We need to identify the cause of the space probe's forceless movement in space.
Q: The drum in the figure has a radius of gyration of 0.25 m and a mass of 60 kg. If the block, having…
A:
Step by step
Solved in 2 steps with 2 images