Apply the boundary conditions to the finite squarewell potential at x = L to fi nd the relationship between the coeffi cients B, C, and D and the ratio C/D

Q: A 75 W light source consumes 75 W of electrical power. Assume all this energy goes into emitted ligh...

A: The power of the light source is 75W.The wavelength of the light emitted, λ=600 nm

Q: Electromagnetism

A: According to Biot Servet law, the magnetic field due a small current carrying element is is given as...

Q: Lee is rolling along on her 4.0 kg skateboard with a constant speed of 3.0 m/s when she jumps off th...

A: Please see the next step for solution:-

Q: In the figure, a metal rod is forced to move with constant velocity along two parallel metal rails, ...

A: a) Emf can be calculated in ξ=BLv b) Current can be calculated in Ohm's law ξ=IR c) Energy transferr...

Q: Please answer (a), (b), and (c).

A:

Q: In North America, broadcast channels are numbered 2 through 69, and each has an associated frequency...

A:

Q: In the classical model of a negatively charged hydrogen atom rotates in a circle of radius r=0.53*10...

A: As given; A negatively charged hydrogen atom rotates in a circle of radius r=0.53*10^-18 m around a ...

Q: You fire a ball with an initial speed v, at an angle Ø above the surface of an incline, which is its...

A: A) We have to choose the x axis along the baseline and divide the  velocity v0 along x and y axis. x...

Q: An electron has a de Broglie wavelength of 2.00 pm. Find its kinetic energy and the phase and group ...

A: Given, Wavelength is 2.00 pm

Q: Find normal mades. m Fm2m

A:

Q: Do you think it is signifi cant that the nucleus has a hard core? What would happen if it did not?

A: Given: An explanation of significant of nucleus is having a hard core as,

Q: Answer of the question immediately please

A: 2(a) Different types of spectral series of hydrogen atom: Lyman series : Lyman series is displayed ...

Q: Two waves travel on the same string. Is it possible for them to have (a) different frequencies; (b) ...

A: (a). Yes if two waves travels on the same string then they have different frequencies because freque...

Q: In empty space (εr = 1), the region x1 <x <x2 is filled with material with a dielectric coeffi...

A: Given data, Electric field in the region x<x1 is given :- E1=4.5ux+-4.5uy+-7.5uz    and dielectri...

Q: 2) Three point charges each with charge O = 2 µC are placed at the corners of an equilateral triangl...

A: From work energy theorem work done is the change in potential energy. so here work done against the ...

Q: Electrons produced at the Thomas Jefferson National Accelerator Facility have a maximum energy of 6....

A: Given data E=6 Gev

Q: The capacitors have values C1 = 2.5 µF and C2 = 4.0 µF, C3 = 6.0 µF C4 = 8.0 µF and the potential di...

A: Given that:C1=2.5 μFC2=4 μFC3=6 μFC4=8 μFV=12 VAll capacitors are connected in series.

Q: The wavelength of a shade of red light is 671 nm in vacuum. What is the frequency, in Hz, of this sh...

A: Given,  the wavelength of red light in a vacuum is 671 nm 1nm = 1 x 10-9 m. Therefore, the wavelengt...

Q: 2) A block of mass m is attached to a spring with force constant, k and oscillate at a frequency f. ...

A:

Q: Both sides of a double convex thin lens have radii of curvature of the same magnitude. The lens is m...

A: Given data n=1.65f=30 cm

Q: A series RLC circuit driven by a source with an amplitude of 120.0 V and a frequency of 50.0 Hz has ...

A: Given That,   XL = 2 pi f L = 2 3.14 * 50* 0.762 XL = 239.27 ohm capacitive reactance Xc = 1/( 2 pi ...

Q: Why are the elements with good electrical conductivities also generally good thermal conductors?

A: Conductivity is the property of the metal by which it able to conduct heat. It is property of the me...

Q: In an evacuated enclosure, a verticalcylindrical tank of diameter D is sealed bya 3.00 kg circular d...

A: Consider the following figure which represents the initial equilibrium condition of the system. Her...

Q: 11 positive charges of magnitude Q are symmetrically placed on the circle of radius r. Later one of ...

A: Given,. 11 charges on the circle 

Q: From a thin rectangular plate of length 2r  and width r, according to the figure below, a semicircle...

A: The length of the rectangular plate is given as, l = 2r The width of the rectangular plate is given ...

Q: A thin bar of length a has a non-uniform charge density 1(y) = y². Calculate the electric potential ...

A:

Q: A uniform sphere with mass M and radius R is rotating with angular speed v1 about a frictionless axl...

A: Rotational Kinetic Energy=12xIxω2Where I = moment of InertiaNow for Solid Sphere,I=25mR2w=V1K.E=K1=0...

Q: Problem 1.31. Imagine some helium in a cylinder with an initial volume of 1 liter and an initial pre...

A: Given: The initial volume and pressure of helium is 1 litre and 1 atm.

Q: Find the radius and velocity of the electron in n=3 level in hydrogen atom .

A: To find the radius and velocity of electron in third energy level,

Q: A ray of light travels from air into another medium, making an angle of 0, = 45.0° with the normal a...

A: Given data n1=1θ1=45°

Q: A long solenoid has a diameter of 12.0 cm. When a current i exists in its windings, a uniform magnet...

A: Given Diameter (D)         = 12.0 cm R =D2                   =122 = 6 cm  or R = 6 ×10-2 m2 dBdt    ...

Q: The charge density of a non-uniformly charged sphere of radius 1.0 m is given as: For rs 1.0 m; p(r)...

A: Given: The radius of the sphere is r=1m. The function of charge density ρ(r)=ρ0(1-4r3)for r≤1 m0for ...

Q: Questions Question 1: A sandwich of infinite planes Three infinite planes are arranged parallel to e...

A: The electric field due to a charged plate carrying surface charge density σ of infinite dimension is...

Q: Q6: Water enters a horizontal pipe with a rectangular cross section at a speed of 1 m/s. The width o...

A: Given Velocity v1                            = 1 m/s Pressure at the entrance P1 = 3000 Pa

Q: Q 3) Three charges lie on the x axis: =+ 20 pC at the origin, q2= - 9 nC at x =3m, q3= +16 µC at x= ...

A: Consider the following figure which represents the locations of the charges and the directions of th...

Q: PP6

A: When current in wires is in same direction, they attract each other. When current in wires is in opp...

Q: While on a visit to Minnesota (“Land of 10,000 Lakes”), you sign up to take an excursion around one ...

A: Given: The mass of boat is m=1500 kg. The amplitude of the motion is A=20 cm. The time taken to mak...

Q: X rays of wavelength 0.207 nm are scattered from NaCl. What is the angular separation between fi rst...

A: Given: The wavelength of X ray is λ=0.207 nm. The formula to calculate the angle of diffraction pa...

Q: Determine the speed of the block with a mass of 0.60 kg after it has fallen 145 cm. The sphere is a ...

A: Please see the next step for solution:-

Q: The positive muon lives on average 2.20 * 10^-6 s before decaying. If such a particle is moving, wit...

A: Given data ∆t0=2.2×10-6 secu=0.89 c

Q: 5 positive charges of magnitude Q are symmetrically placed on the circle of radius r. Later one of t...

A: When charges are placed symmetrically then electric field at the centre will be zero as they will ca...

Q: A 2.00 kg rock has ahorizontal velocity of magnitude12.0 m/s when it is at point P inFig. . (a) At t...

A: Part (a) Given: The mass of rock is m=2.00 kg. The horizontal velocity of rock is v=12.0 m/s. The d...

Q: A certain radioactive material is known to decay at a rate proportional to the amount present. If in...

A: Given,initial amount N0=500mgt=3 years

Q: A hollow, iron sphere has a radius R = 0.5 m and mass M = 11 kg. IT rotates at a constant angular sp...

A: Angular momentum is thd product of moment of inertia and angular speed. So we have to first calculat...

Q: A woman in an elevator lets go of her briefcase, but it does not fall to the floor. How is the eleva...

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Q: The two peaks for the molybdenum spectra of Figure are characteristic spectral lines for the molybde...

A: Given: To find the minimum potential difference needed to accelerate electrons in an x-ray tube to p...

Q: Because 2? rad = 1 rev, the angular displacement in part (b) corresponds to 2.23 rev. In general, di...

A: Please see the next step for solution:-

Q: You catch a volleyball (mass 0.270 kg) that is moving downward at 7.50 m>s. In stopping the ball,...

A: a)According to the energy conservationEi=Ff+WW=Ei-Ef=12mu2+mgh1-12mv2+mgh2=12mu2-v2+mgh1-h2=120.277....

Q: Wanting to get into the budding field of interplanetary travel, I decided to challenge Elon Musk and...

A: Solution: From the given graph, write the expression for the function. f(x)=m∆x+c Here, m is the slo...

Q: The solar system contains 32 solar cells, so that each cell has the following characteristics: Voc =...

A: Current through the group of 4 cells in series will be same = 2 mA There are such 8 groups of 4 cell...