Calculate the ratio of spontaneous emission to stimulated emission if the wavelength of radiation emission is 5400Å at 2000 K
Q: Define Energy. Explain kinetic energy, Potential Energy and Free Energy.
A: (a) Energy. (b) Kinetic energy. (c) Potential energy. (d) Free energy.
Q: inge in electric potential energy of the charge related to the work done on the charge can you deter...
A: Given: The initial position is 0 m and final position is 0.2,0.5 m q=12μCE→=280i^Vm
Q: In a dielectric medium (ɛ = 9ɛ9. µ = µo), a plane wave with %3D H = 0.2 cos (10°t – kx - KV82) a, A/...
A: Given,ε=9ε0 , μ=μ0H=0.2 cos(109t-kx-k8z)ay A/m Note : : Since we only answer up to 3 sub-parts, we’l...
Q: Three 10 Ω resistors are connected from point A to point X, from point X to point Y, and from point ...
A: The three resistance of the resistors is given as, R1=R2=R3=10 Ω The three resistors are connected a...
Q: What are the limitations of optical microscope?
A: Optical microscope was first developed by the Robert Hooke in 1665. It uses the light for visualizat...
Q: ong periods of time. Natural thorium is almost 100 % 232^Th, with half life of 1.405*10^10y. If an a...
A: The molar mass of Th232 is 232 g. Note: 1 mg is equal to 0.001 g, so 350 mg is equal to 0.35 g. Th...
Q: Suppose that you have 1 mol of hydrogen atoms in the ground state. If the atoms are irradiated with ...
A: Given, Total number of mole of hydrogen atom is, N = 1 Then total number of hydrogen atom in 1 mole ...
Q: A force of 20 N acts on an initially stationary object with a mass of 2000g. What is the velovity of...
A: Given that,Force : F = 20 (N)Initial velocity : u = 0 (m/sec)Mass of an object : m = 2000g = 2 (kg) ...
Q: 1. Consider two vectors Ā = (4i+4 j) cm and B = (-2i + 3j) cm. Use the equation for the magnitude of...
A: In this case, there are two vectors are given in the vector form. A vector has magnitude as well as ...
Q: Wave-particle duality requires that a particle of mass m and moving at the speed v will have a de Br...
A: The wavelength of he electron in the Crookes tube is given as, λ=7.3 A° (or) λ=7.3×10-10 m The mass ...
Q: A metre-long tube open at one end, with a movable piston at the other end, shows resonance with a fi...
A: Frequency of nth mode of vibration of the closed organ pipe of length l1...
Q: A 2.85 kg bucket is attached to a disk-shaped pulley of radius 0.121 m and mass 0.742 kg. If the buc...
A: Given that,Mass of bucket : m = 2.85 (kg)Radius of disk-shaped pulley : r =0.121 (m)Mass of disk-sha...
Q: 6. Apply KCL and KVL to determine the current flowing and voltage across the 4- 2 resistor. 24 V 10 ...
A: Refer to the circuit below : We have assumed three-loop currents as shown in the figure.
Q: A thick shell with inner radius, a, and outer radius b has a polarization, P="r, and no free charge....
A: Given: The polarization vector is given as P→ = krr^
Q: between two large conductor surfaces. Calculate how much n applied to the upper surface while the lo...
A: Given: Dimension is 35cm*35cm*35cm Relative permittivity and Young's modulus are 2.88 and 23.57 resp...
Q: In a two-lens system, the image produced by one lens acts as the object for the next lens. This simp...
A: Given: Telescope has a magnitude = 20 length of the telescope = 60.0 cm
Q: The acceleration of a particle is given by a = 8 t, where “a” is in meters per second squared and “t...
A: Acceleration is defined as the rate of change of velocity with respect to time. Thus, to find veloci...
Q: Suppose two identical particles, each with identical masses and kinetic energies collide head-on. Wh...
A: The problem will be solved using the principle of conservation of energy and momentum. Let the mass...
Q: A team of engneering students design a catapault so that the ball falls inside the box. If the initi...
A: Concept used: Ball is given horizontal velocity and is under influence of gravity alone. Hence, it c...
Q: For the wave described in Exercise 8, plot the displacement (y) versus (t) graphs for x = 0, 2 and 4...
A: The transverse harmonic wave is yx,t=3.0sin36t+0.018x+π4
Q: Consider the finite difference grid shown in the figure below that is expressed in the polar coordin...
A: Concept used: Polar co-ordinates specify location in angular motions.
Q: An inductor with an inductance of 57.0 mH and a resistance of 15.0N is connected to the terminals of...
A: Given,Inductance L=57mHResistance R=15Ωemf=8V
Q: A pipe 20 cm long is closed at one end. Which harmonic mode of the pipe is resonantly excited by a 4...
A: Here length of pipe, 1 = 20 cm = 0.20 m, frequency v = 430 Hz and speed of sound in air υ = 340 ms-...
Q: In free space, E = 20 cos (wt - 50x) a, V/m. Calculate (a) Ja (b) н (c) w
A: The electric field is given as E=20 coswt-50xay V/m. To determine: (a) The displacement current den...
Q: 8.636 cm, b 4.318 cm A standard air-filled rectangular waveguide with dimensions a is fed by a 4-GHz...
A: To answer: The phase velocity and group velocity.
Q: One glass bottle has room for exactly O.5000 liters water when the temperature is 15°C. What Happens...
A: Answer : We know the length of solid material increases with the temperature. Again the volume of t...
Q: A “sawtooth" phase grating is periodic with period L and has a distribution of phase within one peri...
A: Concept used: Sawtooth form grating is being used. The intensity of diffraction pattern goes on dec...
Q: Question 2 The unit vectors in Cartesian form is given by, i= (1,0,0)= (0,1, 0) and k=(0,0,1) The do...
A: A vector is a quantity which is defined by both a direction and a magnitude. In Cartesian coordinate...
Q: A compound lens system consists of two converging lenses, one at x=−20.0cm with focal length f1=+10....
A: Given: Position of lens 1 = -20 cm Focal length of lens 1 = 10 cm Position of lens 2 = 20 cm Focal...
Q: An asphalt surface and a brick surface are both exposed to sunlight. Both surfaces are 1 m2 and have...
A: Given an asphalt surface and a brick surface. both the surfaces are at the same temperature that is ...
Q: A 15.2mm x 19.1 rectangular cross-section copper specimen mm is pulled with a force of 44500 N, prod...
A: In this case, the rectangular cross-section copper specimen is pulled with some force, and it produc...
Q: For the circuit shown in figure, potential difference of 12 V is applied across AB 12 C 22 E 30 wwww...
A:
Q: One mol of a monoatomic ideal gas is heated along a path pV = constant until its volume doubles. Fin...
A: Solution:-Given thatmono-atomic ideal gasno. of moles (n)=1 molePath-PV= constantV2=2V1⇒V2V1=2 ...
Q: 1. A more than 30 g's. person has a reasonable chance of surviving an automobile crash if the decele...
A: Mass of the person (m) is 70 kg deceleration = 30g's Thus, Acceleration (a) will be, a=30×g where, g...
Q: Consider two infinitely long straight wires lying in the ry-plane. Wire 1 carries current Ih in the ...
A: Given, Two infinitely long straight wires lying in the xy plane.
Q: A uniform magnetic field of 4.55 T points in some direction. Consider the magnetic flux through a la...
A:
Q: The given electromagnet has a mid leg winding having 100 turns and flowing 10 A. The relative magnet...
A: The area of any leg or limb is 4*4 is 16 cm2 or 16*10-4 m2.
Q: A newly discovered light positively charged particle has a mass of m and charge q. Suppose it moves ...
A: Given: A newly discovered light positively charged particle has a mass of m and charge q.
Q: Prove that the reciprocal of the reciprocal lattice is a direct lattice
A: Reciprocal lattice: The Fourier transform of a Bravais lattice represents the reciprocal lattice. In...
Q: One mol of a monoatomic ideal gas is heated along a path pV = constant until its volume doubles. Fin...
A: Solution:-Given thatNo. of moles (n)=1 molemonoatomic gaspath-PV=constantFinal volume (V2)=2×Initial...
Q: A ball weighing 0.5 kg is tied to one end of a string and is whirled at a constant speed of 10ms-1 i...
A: We have given data from the question is, m = 0.5 kg , v = 1...
Q: 1. For an Eulerian flow field described by u = 2x, v = 16 (y + x), w = 0, ρ = at2 +xy, find the...
A: 1. Given, The equation of flow field, u=2xv=16(y+x)w=0ρ=at2+xy According to equation of continuity, ...
Q: The position of an object is given by F- (-4. 00ri + 6.00r*5) m where t is in seconds. At t = 2.0 s,...
A: Given data, r→=-4.00ti^+6.00t3j^ m t = 2 seconds
Q: What is the total charge in Colombs of 75 kg electrons ?
A: Given that , Mass of 1 electron (n) = 9.11 ×10-31 kgn = No of electron in 75 kg electron = 75 / 9.11...
Q: EXAMPLE 3 In Einstein's theory of special relativity the mass of an object moving with velocity v is...
A:
Q: n the figure, R= 20.0 Q, L= 10.0 H, the ideal battery has E= 13.0 V, and the fuse in the upper branc...
A:
Q: A man is holding a 2.80-kg ball, as shown in the figure. The distance from the elbow joint to the ba...
A: Given that , Mass of the ball : m = 2.80 kgDistance from the elbow joint to the ball : d = 32.5 cm D...
Q: 02:In an ionized helium atom (a helium atom in which one of the two electrons has been removed) the ...
A: Given an ionized helium atom. The Helium nucleus contains 2 protons and 2 neutrons. Therefore charge...
Q: i) A uniform thin rod has a length, l and mass, m. Compute the moment of inertia, L of the rod if th...
A: (i) Given,length of uniform rod=Lmass =mThe moment of inertia of a point mass is given by I = mr2, b...
Q: A thick shell with inner radius, a, and outer radius b has a polarization, P="r, and no free charge....
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
