4) Consider two energy states, E2 = 2.1 eV and E1 = 1 eV. Assume that there are %3D 1*1016 electron/cm3 in E, and 1*1015 electron/cm' in E1. What temperature is required to create this population distribution in thermal equilibrium?
Q: A 59.0 kg cheetah accelerates from rest to its top speed of 32.7 m/s (a) How much net work (in J) is...
A: Given that,The mass of cheetah (m) = 59 (kg)The speed of the cheetah (v) = 32.7 (m/sec)a : Here we n...
Q: B4
A: For the motion of particle in spherical co-ordinate, the coordinates are given as, r=3e3t2, ϕ=3t, θ=...
Q: B3
A: Given, W=mg=2N initial velocity, u=12m/s Angle,θ=600 At the highest point, the force on the ball wil...
Q: 04: Find the cohesive energy per atom per Nacl crystal from the following data: Equilibrium separati...
A:
Q: The percentage elongation and the percentage reduction in area depends upon Tensile strength of the ...
A: Ans is :- Ductility of the material
Q: B1
A: Solution: As per the given data, The maximum value of TCI reactive power is given as: Q=100 KV...
Q: If E = A cos (wt + kx)ŷ V/m is given in free space, where A is a constant. (a) Show that this electr...
A: Using the Maxwell's equation we get ∇→.E→=ρε0in free space, there is no availability of free charges...
Q: Doppler broadening of spectral lines. Given that K= (1+vx/c), then Arms is: O a. b. KT/mc
A: Given that λ=λo(1+VxC). Then to find λrms is given below.
Q: 1400 N C' between two charged metal plates at right angles to the field as shown in the diagram. The...
A: Initial kinetic energy of the positive charge, T=131 J This is the total mechanical energy of the c...
Q: A rectangular plate 1.2 m × 0.4 m, weighting 970N slides down a 45° inclined surface at a uniform ve...
A: Given Data : Area, A = 1.2×0.4 = 0.48 m2 Weight of plate, W = 970 N ...
Q: (1) Consider a double slit experiment set-up with slits of adjustable width. The central maximum has...
A: Given: The fringe width of the central maximum is β = 36.3 cm The wavelength of the light is λ = 442...
Q: None
A: A plane wave propagating through medium with Ez¯=0.5e-z3sin108t-βzax^ Here, εr=8 μr=2 (a)In orde...
Q: Need this please help
A: Given data, q1 = 54 nC at (-63,-26) q2 = 54 nC at (31,-30) q3 = -108 nC at (31,42) Surface charge de...
Q: Example 2:- Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 MP...
A: Solution: The Vapor Compression Refrigeration Cycle includes the compressor, condenser, expansion va...
Q: Please answer, thank you so much. A massless spring of length L and spring constant k connects two p...
A: Solution: The free-body diagram is given as Let the masses be M = m1 and m = m2. So The Langrangian...
Q: What are the four experiments being conducted on the Large Hadron Collider and what are their tasks?
A: The Large Hadron Collider (LHC) is the most powerful and largest particle accelerator in the world. ...
Q: Consider a lattice with primitive vectors a,, az, az. a- Calculate the Miller indices of the plane w...
A: In a crystal we should have a regular orientation of the atoms in space. A uniform unit structures a...
Q: (a) Three resistors 1 2, 2 Q, and 3 are combined in series. What is the total resistance of the comb...
A: (a)Three resistors of resistances 1 Ω, 2Ω, and 3Ω are combined in series.Total resistance of the com...
Q: The voltage across a 5- microFarad capacitor is: v(t)=5cos10oot V. Calculate the current through it ...
A: We have to first calculate charge on the plates of the capacitor, and we know rate of change of char...
Q: Need handwritten solution. kindly do it with step by step procedure within 1 hour . Thanks
A:
Q: How far away is the Moon if a reflected beam of light takes 2.56 seconds to travel from Earth to the...
A: Given Reflected beam of light takes a time (t) = 2.56 seconds
Q: None
A: Binding energy is defined as the energy in the nucleus of an atom which opposes the electrostatic re...
Q: A capacitor of capacitance C-36 µF capacitor is used in conjunction with a motor. How much energy (l...
A: Given that:C=36 μFV=136 V
Q: B9
A:
Q: 11)If you are driving a car with a speed of 55 miles per hour, what is your approximate speed in nan...
A: To answer: The approximate speed in nanometer per second.
Q: Suppose that in a laboratory experiment on inhalation, the average flow rate (Q) was measured which ...
A: (a) The average speed in ms-1. (b)The Reynolds number for the air flow in the trachea during inhalat...
Q: Find the ratio of the photon frequency of the 8th line of the Paschen series to the photon frequency...
A: for Paschen series:n1=3 and n2=4,5,6,7,8,9,10,11...8th line of paschen series means n2=(3+8)=11ν1=RH...
Q: A 30.0 kg crate is initially moving with a velocity that has magnitude 3.90 m/s in a direction 37.0°...
A: Given that,Mass of the crate (m) = 30(kg)The initial velocity of the crate (vi) = 3.90 (m/sec)The fi...
Q: 15.0 kg load of bricks hangs from one end of a rope that passes over a small, frictionless pulley. A...
A: Given that,Mass of bricks (m1) = 15 (kg)Mass of counter weight (m2) = 28 (kg)Here,We need to find th...
Q: A 70-kg person experiences a whole -body exposure to alpha radiation (RBE= 15) with energy 4.77 MeV....
A: Given that,The mass of the person (m) = 70 (kg)Total number of alpha particles (n) = 6.25×1012Energy...
Q: Advanced Physics Question
A: Given, Charge of capacitor, say Q, distance between plate increasing, All are calculated at initia...
Q: B7
A:
Q: A 100 W sodium lamp radiates energy uniformly in all directions. The lamp is located at the centre o...
A: We have known information as- Power of the sodium lamp, P=100 W Wavelength of the emitted sodium lig...
Q: None
A: The given Op-Amp is a Differential amplifier. The inputs are given in the form of cosine wave. That ...
Q: A beam of light in water (of refractive index of 1.33) enters a glass slab (of refractive index 1.56...
A: Given: Refractive index of water μw=1.33 Refractive index of glass slab μg=1.56 Angle of incidence, ...
Q: A 2.0 kg block is pressed up against a spring (k = 44 N/m) that is attached to a wall as shown. The ...
A: In this case, the block is pressed up against a spring that is attached to wall. It is held so that ...
Q: Calculate the tension-generating capability (N) of a muscle with the following cross-sectional area....
A: Given; The cross-section areas are given as follows, a. 5cm2 b. 8.5 cm2 c. 11 cm2
Q: Figure 1: A diagram of a sheet of surface charge at y = 0 between two grounded perfect conductors at...
A: Given: y=a y=-b To find the solution for electric potential solution in the region of 0≤y≤a and -b≤y...
Q: Q.4 The position of a particle is given by s=2t^3- 40t^2+200t-50, where s is in meters and t is in s...
A: Given: Position of particle is s=2t3-40t2+200t-50 To find: Position, velocity and acceleration at t=...
Q: Figures (a) and (b) show refraction of a ray in air incident at 60° with the normal to a glass- air ...
A: (a) Applying Snell’s law for the refraction from air to glass. Refractive index of glass w.r.t. air...
Q: B4
A:
Q: Two conducting spherical shells with inner radius a and outer radius b are held at a potential diffe...
A: In general, Since we know, J→=σE→ Here, J→=Electric current density at a point σ=Conductivity of ...
Q: A pipe open at both ends has a fundamental frequency of 145 Hz. A second pipe, which is closed at on...
A: Given Fundamental frequency (f) = 145 Hz
Q: B6
A: The number of microstates is given by the expression Ω=AeB(vE)1/2A and B are constantsE is the energ...
Q: A/an 8-milligram, 3-millicoulomb charge is fired to a uniform magnetic field via a 290-volt potentia...
A: The magnitude of the magnetic field(B). given, mass of the particle, m=8 mg=8×10-6 kg charge, q=3×1...
Q: Light of wavelength 488 nm is produced by an argon laser which is used in the photoelectric effect. ...
A: The concept behind this question is the dual nature of radiation and matter. Wavelength of light pro...
Q: Two speakers vibrate in phase with each other at 523 Hz. At certain points in the room, the sound wa...
A: Solution: As per the given data,
Q: A parallel-plate capacitor has a plate separation d=20 mm. A potential difference V=1129 volts exist...
A: Given that:d=20 mmV=1129 Ve=1.6×10-19 C
Q: An outdoor track is 140 m in diameter. A runner increases her speed at a constant rate from 4.25 to ...
A:
Q: The statement that magnetic flux always form closed and continuous loops implied in which of the fol...
A: Magnetic flux always forms closed and continuous loops.
Step by step
Solved in 2 steps with 2 images